| Table 2. Geotechnical characteristics of soil samples |               |          |           |                        |                         |                          |
|-------------------------------------------------------|---------------|----------|-----------|------------------------|-------------------------|--------------------------|
| Study Area                                            | Sample number | Depth, m | Depth, ft | Gravel (%) >4.75 mm | Sand (%)  4.75-0.075 mm | Silt (%)  0.075-0.005 mm | Clay (%)  <0.005 mm | D50 mm | Cu  D60/D10 | Fines, <0.075 mm | Liquid limit (%) | Plastic limit (%) | Plasticity Index | Liquidity Index | Water content (%) | USC | Soil description | Density, (g/cm3) | State |  |  |
| 1                                                     | ALC046-0210   | 2.10     | 0.64      | 0                      | 11                      | 53                       | 36 | 0.014 | - | 89 | 43 | 18 | 25 | 0.24 | 23.94 | CL | Lean CLAY | - | California |  |  |
| 1                                                     | ALC046-0280   | 2.80     | 0.85      | 0                      | 38                      | 38                       | 24 | 0.034 | - | 62 | 28 | 15 | 13 | 0.78 | 25.13 | CL | Sandy lean CLAY | - | California |  |  |
| 1                                                     | ALC046-0510   | 5.10     | 1.55      | 0                      | 41                      | 36                       | 23 | 0.041 | - | 59 | 40 | 25 | 15 | -0.32 | 20.215 | CL | Sandy lean CLAY | 2.07 | California |  |  |
| 1                                                     | ALC046-0565   | 5.65     | 1.72      | 0                      | 51                      | 37                       | 12 | 0.077 | 36 | 49 | 27 | 18 | 9 | 0.46 | 22.14 | SC | Clayey SAND | 2.08 | California |  |  |
| 1                                                     | ALC050-0410   | 4.10     | 1.25      | 0                      | 10                      | 67                       | 23 | 0.018 | - | 90 | 30 | 17 | 13 | 0.48 | 23.3 | CL | Lean CLAY | 2.01 | California |  |  |
| 1                                                     | ALC050-0495   | 4.95     | 1.51      | 1                      | 58                      | 29                       | 12 | 0.107 | 37 | 41 | 28 | 20 | 8 | 0.49 | 23.9 | SC | Clayey SAND | 2.04 | California |  |  |
| 1                                                     | ALC050-0620   | 6.20     | 1.89      | 0                      | 41                      | 33                       | 26 | 0.042 | - | 59 | 28 | 17 | 11 | 0.17 | 18.85 | CL | Sandy lean CLAY | 2.09 | California |  |  |
| 1                                                     | ALC050-0830   | 8.30     | 2.53      | 0                      | 43                      | 36                       | 21 | 0.054 | - | 57 | 37 | 23 | 14 | 0.05 | 23.75 | CL | Sandy lean CLAY | 2.04 | California |  |  |
| 1                                                     | ALC052-0100   | 1.00     | 0.30      | 1                      | 44                      | 31                       | 24 | 0.052 | - | 55 | 28 | 14 | 14 | 0.21 | 17 | CL | Sandy lean CLAY | 1.53 | California |  |  |
| 1                                                     | ALC052-0150   | 1.50     | 0.46      | 5                      | 47                      | 33                       | 15 | 0.084 | - | 48 | - | - | - | - | 13 | SM | Silty SAND | 1.68 | California |  |  |
| 1                                                     | ALC052-a0200  | 2.03     | 0.62      | 4                      | 54                      | 28                       | 14 | 0.130 | - | 42 | - | - | - | - | - | SM | Silty SAND | - | California |  |  |
| 1                                                     | ALC052-b0200  | 2.06     | 0.63      | 3                      | 57                      | 31                       | 9 | 0.150 | 46 | 40 | - | - | - | - | 15 | SM | Silty SAND | 1.9 | California |  |  |
| 1                                                     | ALC052-0260   | 2.60     | 0.79      | 5                      | 62                      | 26                       | 7 | 0.220 | 54 | 33 | - | - | - | - | 12.7 | SM | Silty SAND | 1.81 | California |  |  |
| 1                                                     | ALC052-0450   | 4.50     | 1.37      | 1                      | 30                      | 45                       | 24 | 0.025 | - | 69 | 24 | 16 | 8 | 0.66 | 21.3 | CL | Sandy lean CLAY | 2.05 | California |  |  |
| 1                                                     | ALC052-0500   | 5.00     | 1.52      | 0                      | 18                      | 45                       | 37 | 0.013 | - | 82 | - | - | - | - | 24.9 | CL | Lean CLAY with sand | 1.96 | California |  |  |
| 1                                                     | ALC071-0100   | 1.00     | 0.30      | 0                      | 28                      | 51                       | 21 | 0.036 | - | 72 | 30 | 19 | 11 | 0.39 | 23.3 | CL | Lean CLAY with sand | 1.89 | California |  |  |
| 1                                                     | ALC071-0150   | 1.50     | 0.46      | 6                      | 53                      | 23                       | 18 | 0.153 | - | 41 | - | - | - | - | 17.1 | SM | Silty SAND | 1.83 | California |  |  |
| 1                                                     | ALC071-0250   | 2.50     | 0.76      | 0                      | 18                      | 48                       | 34 | 0.013 | - | 82 | - | - | - | - | 21.9 | CL | Lean CLAY with sand | 1.95 | California |  |  |
| 1                                                     | ALC075-0200   | 2.00     | 0.61      | 1                      | 24                      | 49                       | 26 | 0.024 | - | 75 | 33 | 16 | 17 | 0.13 | 18.2 | CL | Lean CLAY with sand | - | California |  |  |
| 1                                                     | ALC075-0310   | 3.10     | 0.94      | 0                      | 61                      | 26                       | 13 | 0.140 | - | 39 | 28 | 19 | 9 | 0.41 | 22.7 | SC | Clayey SAND | - | California |  |  |
| 1                                                     | ALC075-0600   | 6.00     | 1.83      | 0                      | 10                      | 50                       | 40 | 0.009 | - | 90 | 41 | 20 | 21 | 0.22 | 24.7 | CL | Lean CLAY | - | California |  |  |
| 1                                                     | ALC075-0950   | 9.50     | 2.90      | 6                      | 51                      | 30                       | 13 | 0.118 | - | 43 | - | - | - | - | 15.2 | SM | Silty SAND | - | California |  |  |
| 1                                                     | ALC076-0330   | 3.30     | 1.01      | 1                      | 26                      | 46                       | 26 | 0.023 | - | 72 | 38 | 22 | 16 | 0.26 | 26.2 | CL | Lean CLAY with sand | - | California |  |  |
| 1                                                     | ALC076-0680   | 6.80     | 2.07      | 8                      | 64                      | 19                       | 9 | 0.326 | 130 | 28 | - | - | - | - | 16.3 | SM | Silty SAND | - | California |  |  |
| 1                                                     | ALC077-0140A  | 1.40     | 0.43      | 6                      | 59                      | 22                       | 14 | 0.190 | 124 | 36 | - | - | - | - | - | SM | Silty SAND | - | California |  |  |
| 1                                                     | ALC077-0140B  | 1.30     | 0.40      | 3                      | 49                      | 29                       | 20 | 0.078 | - | 49 | - | - | - | - | 21.8 | SM | Silty SAND | - | California |  |  |
| 1                                                     | ALC077-0450   | 4.50     | 1.37      | 0                      | 18                      | 45                       | 37 | 0.012 | - | 82 | 45 | 18 | 27 | 0.13 | 21.4 | CL | Lean CLAY with sand | - | California |  |  |
| 1                                                     | ALC077-0800   | 8.00     | 2.44      | 5                      | 28                      | 33                       | 34 | 0.027 | - | 67 | 35 | 16 | 19 | 0.02 | 16.4 | CL | Sandy lean CLAY | - | California |  |  |
| 1                                                     | ALC077-0870   | 8.70     | 2.65      | 2                      | 48                      | 33                       | 17 | 0.074 | - | 50 | - | - | - | - | 18 | CL | Sandy lean CLAY | - | California |  |  |
| 3a                                                    | CHN003-0210   | 2.10     | 6.89      | 0                      | 61                      | 24                       | 15 | 0.099 | - | 39 | - | - | - | - | 16.6 | SM | Silty SAND | 1.99 | Arkansas |  |  |
| 3a                                                    | CHN003-0350   | 3.50     | 11.48     | 0                      | 84                      | 11                       | 5 | 0.142 | 3.6 | 16 | - | - | - | - | 22.9 | SM | Silty SAND | - | Arkansas |  |  |
| 3a                                                    | CHN005-0220   | 2.20     | 7.22      | 0                      | 46                      | 43                       | 11 | 0.070 | - | 54 | - | - | - | - | 25 | ML | Sandy SILT | 1.8 | Arkansas |  |  |
| 3a                                                    | CHN005-0350   | 3.50     | 11.48     | 0                      | 63                      | 31                       | 6 | 0.099 | 8.3 | 37 | - | - | - | - | 20.5 | SM | Silty SAND | - | Arkansas |  |  |
| 5b                                                    | RCD006-1000-A | 10.09    | 3.08      | 0                      | 2                       | 94                       | 4 | 0.042 | 3.2 | 98 | 28 | 28 | 0 | - | 28.8 | ML | SILT | 2.11 | North Dakota |  |  |
| 5b                                                    | RCD006-1000-B | 10.27    | 3.13      | 0                      | 3                       | 96                       | 1 | 0.038 | 2.7 | 97 | 26 | - | 0 | - | 26.3 | ML | SILT | 2.11 | North Dakota |  |  |
| 5b                                                    | RCD006-1000-C | 10.38    | 3.16      | 0                      | 55                      | 38                       | 7 | 0.081 | 9.5 | 45 | - | - | - | - | - | SM | Silty SAND | 2.11 | North Dakota |  |  |
| 5b                                                    | RCD040-0475-A | 4.86     | 1.48      | 0                      | 1                       | 87                       | 12 | 0.026 | 7.8 | 99 | 28 | 25 | 3 | 0.80 | 27.4 | ML | SILT | 1.97 | North Dakota |  |  |
| 5b                                                    | RCD040-0475-B | 5.07     | 1.54      | 0                      | 1                       | 88                       | 11 | 0.025 | 6.6 | 99 | 29 | 25 | 4 | 0.08 | 25.3 | ML | SILT | 1.97 | North Dakota |  |  |
| 7a                                                    | VHC012        | 2.30     | 0.70      | 0                      | 97                      | 2                        | 1 | 0.380 | 2.1 | 3 | - | - | - | - | - | SP | SAND | - | Indiana |  |  |
| 7a                                                    | VHC012        | 6.80     | 2.07      | 3                      | 90                      | -                        | - | 0.374 | 3.1 | 7 | - | - | - | - | - | SP-SM | SAND with silt | - | Indiana |  |  |
| 7a                                                    | VHC012        | 7.00     | 2.13      | 0                      | 3                       | 84                       | 13 | 0.019 | - | 97 | 29 | 23 | 6 | -0.17 | 22 | ML | SILT | - | Indiana |  |  |
| 7a                                                    | VHC012        | 7.70     | 2.35      | 0                      | 3                       | 77                       | 20 | 0.017 | - | 97 | 31 | 21 | 10 | 0.23 | 23.3 | CL | Lean CLAY | - | Indiana |  |  |
| 7a                                                    | VHC016        | 2.70     | 0.82      | 0                      | 1                       | 87                       | 12 | 0.021 | - | 99 | - | - | - | - | 26.4 | ML | SILT | - | Indiana |  |  |
| 7a                                                    | VHC016        | 3.30     | 1.01      | 0                      | 2                       | 75                       | 23 | 0.017 | - | 98 | 26 | 20 | 6 | 0.12 | 20.7 | CL-ML | Silty CLAY | - | Indiana |  |  |
| 7a                                                    | VHC016        | 5.20     | 1.58      | 0                      | 1                       | 90                       | 9 | 0.022 | 4.5 | 99 | 29 | 25 | 4 | 0.00 | 25 | ML | SILT | - | Indiana |  |  |
| 7a                                                    | VHC016        | 6.30     | 1.92      | 0                      | 2                       | 80                       | 18 | 0.018 | - | 98 | 30 | 21 | 9 | 0.30 | 23.7 | CL | Lean CLAY | - | Indiana |  |  |
| 7a                                                    | VHC016        | 7.00     | 2.13      | 0                      | 4                       | 76                       | 20 | 0.021 | - | 96 | - | - | - | - | - | CL | Lean CLAY | - | Indiana |  |  |
| 7a                                                    | VHC017        | 2.50     | 0.76      | 0                      | 1                       | 90                       | 9 | 0.025 | 5.2 | 99 | 27 | 24 | 3 | -0.33 | 23 | ML | SILT | - | Indiana |  |  |
| 7a                                                    | VHC017        | 4.20     | 1.28      | 0                      | 0                       | 93                       | 7 | 0.025 | 4.1 | 100 | 28 | 26 | 2 | -0.55 | 24.9 | ML | SILT | - | Indiana |  |  |
| 7a                                                    | VHC017        | 5.00     | 1.52      | 0                      | 1                       | 85                       | 14 | 0.019 | - | 99 | 29 | 24 | 5 | -0.50 | 21.5 | ML | SILT | - | Indiana |  |  |
| 7a                                                    | VHC017        | 7.25     | 2.21      | 0                      | 13                      | 69                       | 18 | 0.024 | - | 87 | 32 | 21 | 11 | 0.45 | 25.9 | CL | Lean CLAY | - | Indiana |  |  |
| 7a                                                    | VHC024        | 1.80     | 0.55      | 0                      | 3                       | 90                       | 7 | 0.027 | 4.4 | 97 | 26 | 25 | 1 | -4.20 | 20.8 | ML | SILT | - | Indiana |  |  |
| 7a                                                    | VHC024        | 2.30     | 0.70      | 0                      | 1                       | 79                       | 20 | 0.013 | - | 99 | 25 | 23 | 2 | - | 46 | ML | SILT | - | Indiana |  |  |
| 7a                                                    | VHC024        | 3.50     | 1.07      | 0                      | 5                       | 86                       | 9 | 0.022 | 2.8 | 95 | 26 | 25 | 1 | -1.90 | 23.1 | ML | SILT | - | Indiana |  |  |
| 7a                                                    | VHC024        | 5.50     | 1.68      | 0                      | 1                       | 91                       | 8 | 0.026 | 4.8 | 99 | 31 | 27 | 4 | -0.40 | 25.4 | ML | SILT | - | Indiana |  |  |
| 7a                                                    | VHC024        | 6.20     | 1.89      | 0                      | 2                       | 80                       | 18 | 0.016 | 6.2 | 98 | 28 | 22 | 6 | - | 4.7 | CL-ML | Silty CLAY | - | Indiana |  |  |
| 8a                                                    | CNC034-0400A  | 4.11     | 1.25      | 0                      | 1                       | 44                       | 55 | 0.004 | - | 99 | 73 | 26 | 47 | 1.55 | 43.3 | CH | Fat CLAY | - | Arkansas |  |  |
| 8a                                                    | CNC034-0400B  | 4.35     | 1.33      | 0                      | 1                       | 80                       | 19 | 0.021 | - | 99 | 35 | 24 | 11 | 6.82 | 28.5 | CL | Lean CLAY | 1.83 | Arkansas |  |  |
| 8a                                                    | CNC034-0250A  | 2.63     | 0.80      | 0                      | 3                       | 71                       | 26 | 0.028 | - | 97 | 40 | 21 | 19 | 4.00 | 28.4 | CL | Lean CLAY | - | Arkansas |  |  |
| 8a                                                    | CNC034-0250B  | 2.89     | 0.88      | 0                      | 2                       | 35                       | 63 | 0.003 | - | 98 | 48 | 28 | 20 | 3.50 | 36.8 | CL | Lean CLAY | 1.89 | Arkansas |  |  |
| 8a                                                    | MSC052-0300A1 | 3.06     | 0.93      | 0                      | 84                      | 15                       | 1 | 0.239 | 5.4 | 16 | - | - | - | - | - | SM | Silty SAND | - | Arkansas |  |  |
| 8a                                                    | MSC052-0300B1 | 3.17     | 0.96      | 0                      | 86                      | 13                       | 1 | 0.128 | 2.2 | 14 | - | - | - | - | - | SP-SM | SAND with silt | - | Arkansas |  |  |
| 8a                                                    | MSC052-0300C1 | 3.25     | 0.99      | 0                      | 50                      | 46                       | 4 | 0.073 | 3.0 | 50 | - | - | - | - | - | MLS | Sandy SILT | 1.66 | Arkansas |  |  |
| 8a                                                    | MSC052-0300A2 | 3.08     | 0.94      | 0                      | 93                      | 7                        | 0 | 0.245 | 2.5 | 7 | - | - | - | - | - | SP-SM | SAND with silt | - | Arkansas |  |  |
| 8a                                                    | MSC052-0300B2 | 3.24     | 0.99      | 0                      | 82                      | 17                       | 1 | 0.135 | 2.8 | 18 | - | - | - | - | - | SM | Silty SAND | - | Arkansas |  |  |
| 8a                                                    | MSC052-0300C2 | 3.34     | 1.02      | 0                      | 53                      | 43                       | 4 | 0.079 | 3.4 | 47 | - | - | - | - | - | SM | Silty SAND | - | Arkansas |  |  |
| 8a                                                    | MSC052-0300D2 | 3.38     | 1.03      | 0                      | 94                      | 6                        | 0 | 0.269 | - | 6 | - | - | - | - | - | SP-SM | SAND with silt | 1.6 | Arkansas |  |  |
| 8a                                                    | PST016-0300A1 | 3.03     | 0.92      | 0                      | 63                      | 32                       | 5 | 0.088 | 4.9 | 37 | - | - | - | - | - | SM | Silty SAND | - | Missouri |  |  |
| 8a                                                    | PST016-0300B1 | 3.11     | 0.95      | 0                      | 39                      | 55                       | 6 | 0.062 | 7.3 | 61 | - | - | - | - | - | MLS | Sandy SILT | - | Missouri |  |  |
| 8a                                                    | PST016-0300C1 | 3.21     | 0.98      | 0                      | 85                      | 13                       | 2 | 0.129 | 2.4 | 15 | - | - | - | - | - | SM | Silty SAND | 1.76 | Missouri |  |  |
| 8a                                                    | PST016-0300B2 | 3.08     | 0.94      | 0                      | 52                      | 45                       | 3 | 0.077 | 2.8 | 48 | - | - | - | - | - | SM | Silty SAND | - | Missouri |  |  |
| 8a                                                    | PST016-0300C2 | 3.20     | 0.98      | 0                      | 89                      | -                        | - | 0.125 | 1.8 | 11 | - | - | - | - | - | SP-SM | SAND with silt | 1.72 | Missouri |  |  |
| 8b                                                    | CNC033-0400A  | 4.09     | 1.25      | 0                      | 33                      | 63                       | 4 | 0.058 | 4.8 | 67 | 25 | 25 | 0 | - | 31.1 | ML | Sandy SILT | - | Arkansas |  |  |
| 8b                                                    | CNC033-0400B  | 4.34     | 1.32      | 0                      | 8                       | 80                       | 12 | 0.039 | 11.0 | 92 | 33 | 23 | 10 | 6.90 | 32.0 | CLS | Lean CLAY | 2.00 | Arkansas |  |  |
| 8b                                                    | MSC004        | 2.55     | 0.78      | 0                      | 28                      | 64                       | 8 | 0.053 | 6.7 | 72 | - | - | - | - | 32.9 | ML | SILT with sand | - | Mississippi |  |  |
| 8b                                                    | MSC004        | 5.80     | 1.77      | 0                      | 66                      | 31                       | 3 | 0.107 | 3.4 | 34 | - | - | - | - | 28.1 | SM | Silty SAND | - | Mississippi |  |  |
| 8b                                                    | MSC004        | 5.90     | 1.80      | 0                      | 44                      | 48                       | 8 | 0.048 | 7.6 | 56 | - | - | - | - | - | ML | SILT with sand | - | Mississippi |  |  |
| 8b                                                    | MSC004        | 7.45     | 2.27      | 0                      | 51                      | 45                       | 4 | 0.077 | 4.6 | 49 | - | - | - | - | - | SM | Silty SAND | - | Mississippi |  |  |
| 8b                                                    | MSC004        | 7.55     | 2.30      | 0                      | 86                      | -                        | - | 0.166 | - | 14 | - | - | - | - | - | SM | Silty SAND | - | Mississippi |  |  |
| 8c                                                    | CNC010-0700A  | 7.10     | 2.16      | 0                      | 33                      | 61                       | 6 | 0.056 | 6.1 | 67 | 27 | 26 | 1 | 41.00 | 25.0 | ML | Sandy SILT | - | Arkansas |  |  |
| 8c                                                    | CNC010-0700B  | 7.32     | 2.23      | 0                      | 28                      | 67                       | 5 | 0.057 | 6.2 | 72 | 27 | 27 | 0 | - | 22.4 | ML | SILT with sand | 1.69 | Arkansas |  |  |
| 9                                                     | UNN007-0300   | 3.00     | 9.84      | 0                      | 22                      | 60                       | 18 | 0.048 | - | 78 | - | - | - | - | 27.3 | CL | Lean CLAY with sand | 2.07 | Arkansas |  |  |
| 9                                                     | UNN007-0400   | 4.00     | 13.12     | 0                      | 29                      | 51                       | 20 | 0.041 | - | 71 | - | - | - | - | 25.1 | CL | Lean CLAY with sand | 2.05 | Arkansas |  |  |
| 9                                                     | UNN010-0160   | 1.60     | 5.25      | 0                      | 58                      | 34                       | 8 | 0.083 | - | 42 | - | - | - | - | 7.9 | SM | Silty SAND | 1.43 | Arkansas |  |  |
| 9                                                     | UNN010-0230   | 2.30     | 7.55      | 0                      | 49                      | 40                       | 11 | 0.074 | - | 51 | - | - | - | - | 17.2 | ML | Sandy SILT | 1.55 | Arkansas |  |  |
| 9                                                     | UNN010-0340   | 3.40     | 11.16     | 0                      | 78                      | 18                       | 4 | 0.118 | 3.6 | 22 | - | - | - | - | 5.8 | SM | Silty SAND | 1.47 | Arkansas |  |  |
| 10                                                    | HPD001-0280   | 2.80     | 9.19      | 0                      | 14                      | 81                       | 5 | 0.056 | 3.5 | 86 | - | - | - | - | 7 | ML | SILT | 1.46 | Arkansas |  |  |
| 10                                                    | HPD001-0410   | 4.10     | 13.45     | 0                      | 3                       | 85                       | 12 | 0.035 | - | 97 | - | - | - | - | 22.7 | ML | SILT | 1.78 | Arkansas |  |  |
| 10                                                    | LFE002-0260   | 2.60     | 8.53      | 0                      | 2                       | 90                       | 8 | 0.035 | 5.4 | 98 | 26 | 25 | 1 | -10.1 | 14.9 | ML | SILT | 1.7 | Arkansas |  |  |
| 10                                                    | LFE002-0350   | 3.50     | 11.48     | 0                      | 5                       | 85                       | 10 | 0.035 | 7.3 | 95 | 25 | 23 | 2 | -0.2 | 22.6 | ML | SILT | 1.82 | Arkansas |  |  |
| 10                                                    | MLR005-0235   | 2.35     | 7.71      | 0                      | 29                      | 65                       | 6 | 0.055 | 3.3 | 71 | 23 | 23 | 0 | - | 16.8 | ML | SILT with sand | 1.72 | Arkansas |  |  |
| 10                                                    | MLR005-0365   | 3.65     | 11.98     | 0                      | 21                      | 76                       | 3 | 0.058 | 2.9 | 79 | 23 | 23 | 0 | - | 23.4 | ML | SILT with sand | 1.9 | Arkansas |  |  |
| 10                                                    | MLR010-0220   | 2.20     | 7.22      | 0                      | 17                      | 82                       | 1 | 0.055 | 2.5 | 83 | 23 | 23 | 0 | - | 17.9 | ML | SILT with sand | 1.69 | Arkansas |  |  |
| 10                                                    | MLR010-0300   | 3.00     | 9.84      | 0                      | 6                       | 90                       | 4 | 0.042 | 3.6 | 94 | 25 | 24 | 1 | 4.5 | 28.5 | ML | SILT | 1.97 | Arkansas |  |  |
| 13                                                    | RCD053-0600-A | 6.13     | 1.87      | 0                      | 2                       | 29                       | 69 | 0.002 | - | 98 | 85 | 29 | 56 | 0.38 | 50.3 | CH | Fat CLAY | 1.78 | North Dakota |  |  |
| 13                                                    | RCD053-0600-B | 6.38     | 1.95      | 0                      | 1                       | 32                       | 67 | 0.002 | - | 99 | 82 | 31 | 51 | 0.31 | 46.8 | CH | Fat CLAY | 1.78 | North Dakota |  |  |
| 13                                                    | RCD059-0350-A | 3.64     | 1.11      | 0                      | 1                       | 59                       | 40 | 0.009 | - | 99 | 70 | 27 | 43 | 0.20 | 35.6 | CH | Fat CLAY | 1.84 | North Dakota |  |  |
| 13                                                    | RCD059-0350-B | 3.90     | 1.19      | 0                      | 1                       | 43                       | 56 | 0.004 | - | 99 | 62 | 25 | 37 | 0.31 | 36.6 | CH | Fat CLAY | 1.84 | North Dakota |  |  |
| 13                                                    | RCD059-0600-A | 6.14     | 1.87      | 0                      | 0                       | 46                       | 54 | 0.005 | - | 100 | 60 | 24 | 36 | 0.63 | 46.8 | CH | Fat CLAY | 1.9 | North Dakota |  |  |
| 13                                                    | RCD059-0600-B | 6.38     | 1.95      | 0                      | 1                       | 45                       | 54 | 0.004 | - | 99 | 57 | 25 | 32 | 0.38 | 37.0 | CH | Fat CLAY | 1.9 | North Dakota |  |  |
| 13                                                    | RCD072-0400-A | 4.13     | 1.26      | 0                      | 1                       | 29                       | 70 | 0.002 | - | 99 | 82 | 29 | 53 | 0.28 | 44.0 | CH | Fat CLAY | 1.9 | North Dakota |  |  |
| 13                                                    | RCD072-0400-B | 4.38     | 1.34      | 0                      | 1                       | 33                       | 66 | 0.003 | - | 99 | 70 | 27 | 43 | 0.19 | 35.1 | CH | Fat CLAY | 1.9 | North Dakota |  |  |
| 13                                                    | RCD072-0600-A | 6.13     | 1.87      | 0                      | 1                       | 73                       | 26 | 0.008 | - | 99 | 38 | 25 | 13 | 0.66 | 33.6 | ML | SILT | 1.96 | North Dakota |  |  |
| 13                                                    | RCD072-0600-B | 6.38     | 1.94      | 0                      | 0                       | 75                       | 25 | 0.010 | - | 100 | 38 | 27 | 11 | 0.55 | 33.1 | ML | SILT | 1.96 | North Dakota |  |  |
| 13                                                    | RCD073-0600-A | 6.16     | 1.88      | 0                      | 0                       | 32                       | 68 | 0.003 | - | 100 | 69 | 27 | 42 | 0.23 | 36.6 | CH | Fat CLAY | 1.89 | North Dakota |  |  |
| 13                                                    | RCD073-0600-B | 6.41     | 1.95      | 0                      | 0                       | 46                       | 64 | 0.004 | - | 100 | 65 | 26 | 39 | 0.28 | 37.0 | CH | Fat CLAY | 1.89 | North Dakota |  |  |
| 14                                                    | BZA009-A0205  | 2.05     | 6.73      | 0                      | 5                       | 86                       | 9 | 0.043 | 8.0 | 95 | - | - | - | - | 22.3 | ML | SILT | 2.02 | Texas |  |  |
| 14                                                    | BZA010-0195   | 1.95     | 6.40      | 0                      | 22                      | 69                       | 9 | 0.052 | 9.5 | 78 | 24 | 22 | 2 | -0.15 | 21.7 | Ml | SILT with sand | 2 | Texas |  |  |
| 15                                                    | ALC037-0400   | 4.00     | 1.22      | 0                      | 20                      | 50                       | 30 | 0.025 | - | 80 | 36 | 17 | 19 | 0.25 | 21.7 | CL | Lean CLAY with sand | - | California |  |  |
| 15                                                    | ALC037-0600   | 6.00     | 1.83      | 1                      | 29                      | 45                       | 25 | 0.025 | - | 70 | 38 | 20 | 18 | 0.37 | 26.7 | CL | Sandy lean CLAY | - | California |  |  |
| 15                                                    | ALC037-1100   | 11.00    | 3.35      | 1                      | 39                      | 41                       | 19 | 0.046 | - | 60 | 35 | 18 | 17 | -0.08 | 16.6 | CL | Sandy lean CLAY | - | California |  |  |
| 15                                                    | ALC039-0100   | 1.00     | 0.30      | 10                     | 22                      | 42                       | 26 | 0.040 | - | 68 | - | - | - | - | 26.2 | CL | Sandy lean CLAY | 1.34 | California |  |  |
| 15                                                    | ALC039-0200   | 2.00     | 0.61      | 0                      | 82                      | 16                       | 2 | 0.176 | 5.8 | 18 | - | - | - | - | 5 | SM | Silty SAND | 1.58 | California |  |  |
| 15                                                    | ALC039-0300   | 3.00     | 0.91      | 0                      | 85                      | 13                       | 2 | 0.218 | 60.3 | 15 | - | - | - | - | 23.1 | SM | Silty SAND | 1.99 | California |  |  |
| 15                                                    | ALC039-0500   | 5.00     | 1.52      | 0                      | 9                       | 50                       | 41 | 0.008 | - | 91 | 48 | 17 | 31 | 0.26 | 25.2 | CL | Lean CLAY | 1.97 | California |  |  |
| 16a                                                   | MSC034-0400A  | 4.11     | 1.25      | 0                      | 10                      | 25                       | 65 | 0.002 | - | 90 | 88 | 32 | 56 | 1.04 | 46.7 | CH | Fat CLAY | - | Arkansas |  |  |
| 16a                                                   | MSC034-0400B  | 4.30     | 1.31      | 0                      | 14                      | 25                       | 61 | 0.002 | - | 86 | 81 | 31 | 50 | 1.10 | 47.3 | CH | Fat CLAY | - | Arkansas |  |  |
| 16a                                                   | MSC034-0400C  | 4.46     | 1.36      | 0                      | 4                       | 23                       | 73 | 0.001 | - | 96 | 93 | 28 | 65 | 1.05 | 42.6 | CH | Fat CLAY | 1.78 | Arkansas |  |  |
| 16a                                                   | MSC034-0800A  | 8.08     | 2.46      | 0                      | 90                      | -                        | - | 0.435 | 8.1 | 10 | - | - | - | - | 15.0 | SP-SM | SAND with silt | - | Arkansas |  |  |
| 16a                                                   | MSC034-0800B  | 8.23     | 2.51      | 0                      | 35                      | 32                       | 33 | 0.033 | - | 65 | 49 | 18 | 31 | 1.52 | 32.1 | CLS | Sandy lean CLAY | - | Arkansas |  |  |
| 16a                                                   | MSC034-0800C  | 8.42     | 2.57      | 0                      | 29                      | 38                       | 33 | 0.030 | - | 71 | 51 | 19 | 32 | 1.63 | 35.2 | CH | Fat CLAY with sand | 2.04 | Arkansas |  |  |
| 16a                                                   | PST004-0350A  | 3.62     | 1.10      | 0                      | 7                       | 27                       | 66 | 0.002 | - | 93 | 77 | 27 | 50 | 1.32 | 38.2 | CH | Fat CLAY | - | Missouri |  |  |
| 16a                                                   | PST004-0350B  | 3.84     | 1.17      | 0                      | 11                      | 32                       | 57 | 0.003 | - | 89 | 77 | 26 | 51 | 1.24 | 39.7 | CH | Fat CLAY | - | Missouri |  |  |
| 16a                                                   | PST004-0350C  | 3.96     | 1.21      | 0                      | 67                      | -                        | - | 0.109 | - | 33 | - | - | - | - | - | SM | Silty SAND | - | Missouri |  |  |
| 16a                                                   | PST004-0650A  | 6.57     | 2.00      | 0                      | 94                      | 6                        | 0 | 0.350 | 3.6 | 6 | - | - | - | - | - | SP-SM | SAND with silt | - | Missouri |  |  |
| 16a                                                   | PST004-0650B  | 6.67     | 2.03      | 0                      | 25                      | 73                       | 2 | 0.054 | - | 75 | - | - | - | - | - | ML | SILT with sand | - | Missouri |  |  |
| 16a                                                   | PST004-0650C  | 6.77     | 2.06      | 0                      | 5                       | 57                       | 38 | 0.012 | - | 95 | 57 | 23 | 34 | 2.12 | 54.5 | CH | Fat CLAY | - | Missouri |  |  |
| 16a                                                   | PST004-0650D  | 6.93     | 2.11      | 0                      | 91                      | 9                        | 0 | 0.263 | 45.7 | 9 | - | - | - | - | - | SP-SM | SAND with silt | - | Missouri |  |  |
| 16a                                                   | PST004-0950A  | 9.56     | 2.91      | 0                      | 92                      | 8                        | 0 | 0.390 | 4.5 | 8 | - | - | - | - | - | SP-SM | SAND with silt | - | Missouri |  |  |
| 16a                                                   | PST004-0950B  | 9.67     | 2.95      | 0                      | 97                      | 3                        | 0 | 0.470 | 2.7 | 3 | - | - | - | - | - | SP | SAND | - | Missouri |  |  |
| 16a                                                   | PST004-0950C  | 9.80     | 2.99      | 3                      | 93                      | 4                        | 0 | 0.460 | 3.2 | 4 | - | - | - | - | - | SP | SAND | 2.09 | Missouri |  |  |
| 16b                                                   | CGD001-0190   | 1.90     | 6.23      | 0                      | 93                      | -                        | - | 0.213 | 2.7 | 7 | - | - | - | - | 15.1 | SP-SM | SAND with silt | 1.84 | Arkansas |  |  |
| 16b                                                   | CGD001-0250   | 2.50     | 8.20      | 0                      | 81                      | 18                       | 1 | 0.169 | 3.2 | 19 | - | - | - | - | 27.2 | SM | Silty SAND | 1.76 | Arkansas |  |  |
| 16b                                                   | CGD001-0290   | 2.90     | 9.51      | 0                      | 97                      | -                        | - | 0.270 | 1.9 | 3 | - | - | - | - | 4.4 | SP | SAND | 1.6 | Arkansas |  |  |
| 16b                                                   | CGD001-0365   | 3.65     | 11.98     | 2                      | 89                      | -                        | - | 0.230 | 3.3 | 9 | - | - | - | - | 17.9 | SP-SM | SAND with silt | 1.88 | Arkansas |  |  |
| 16b                                                   | CGD003-0190   | 1.90     | 6.23      | 0                      | 74                      | 18                       | 8 | 0.109 | 17.1 | 26 | - | - | - | - | 22.4 | SM | Silty SAND | 1.99 | Arkansas |  |  |
| 16b                                                   | CGD003-0220   | 2.20     | 7.22      | 0                      | 69                      | 22                       | 9 | 0.097 | 18.0 | 31 | - | - | - | - | 22.2 | SM | Silty SAND | 1.96 | Arkansas |  |  |
| 16b                                                   | CGD003-A0305  | 3.05     | 10.01     | 0                      | 96                      | -                        | - | 0.309 | 2.3 | 4 | - | - | - | - | 19.1 | SP | SAND | 1.84 | Arkansas |  |  |
| 16b                                                   | CGD003-B0305  | 3.05     | 10.01     | 0                      | 84                      | 15                       | 1 | 0.196 | - | 16 | - | - | - | - | - | SM | Silty SAND | - | Arkansas |  |  |
| 16b                                                   | CGD003-A0360  | 3.60     | 11.81     | 0                      | 95                      | -                        | - | 0.216 | 1.7 | 5 | - | - | - | - | 24.1 | SP | SAND | 2.22 | Arkansas |  |  |
| 16b                                                   | CGD003-B0360  | 3.60     | 11.81     | 0                      | 97                      | -                        | - | 0.235 | 1.8 | 3 | - | - | - | - | - | SP | SAND | - | Arkansas |  |  |
| 16b                                                   | CGD006-A0160  | 1.60     | 5.25      | 0                      | 4                       | 76                       | 20 | 0.014 | - | 96 | 36 | 23 | 13 | 0.32 | 27.1 | CL | Lean CLAY | 1.9 | Arkansas |  |  |
| 16b                                                   | CGD006-0245   | 2.45     | 8.04      | 0                      | 5                       | 88                       | 7 | 0.033 | 3.5 | 95 | 29 | 25 | 4 | 0.10 | 25.4 | ML | SILT | 1.88 | Arkansas |  |  |
| 16b                                                   | CGD011-0210   | 2.10     | 6.89      | 0                      | 7                       | 73                       | 20 | 0.017 | - | 93 | 44 | 22 | 22 | 0.21 | 26.7 | CL | Lean CLAY | 2.01 | Arkansas |  |  |
| 16b                                                   | CGD011-0260   | 2.60     | 8.53      | 0                      | 3                       | 88                       | 9 | 0.032 | 6.3 | 97 | 29 | 26 | 3 | -0.20 | 25.4 | ML | SILT | 2.01 | Arkansas |  |  |
| 16b                                                   | DKN013-0350A  | 3.62     | 1.10      | 0                      | 90                      | -                        | - | 0.140 | 2.1 | 10 | - | - |  | - | 23.4 | SP-SM | SAND with silt | - | Missouri |  |  |
| 16b                                                   | DKN013-0350B  | 3.82     | 1.17      | 0                      | 93                      | 7                        | 0 | 0.156 | 2.2 | 7 | - | - | - | - | 25.6 | SP-SM | SAND with silt | 2.04 | Missouri |  |  |
| 16b                                                   | DKN013-0600A1 | 6.01     | 1.83      | 0                      | 75                      | -                        | - | 0.108 | - | 25 | - | - | - | - | - | SM | Silty SAND | - | Missouri |  |  |
| 16b                                                   | DKN013-0600A2 | 6.07     | 1.85      | 0                      | 74                      | 22                       | 4 | 0.142 | 8.3 | 26 | - | - | - | - | - | SM | Silty SAND | - | Missouri |  |  |
| 16b                                                   | DKN013-0600B  | 6.16     | 1.88      | 0                      | 92                      | 8                        | 0 | 0.330 | 3.7 | 8 | - | - | - | - | - | SP-SM | SAND with silt | - | Missouri |  |  |
| 16b                                                   | DKN013-0600C  | 6.25     | 1.90      | 0                      | 96                      | 4                        | 0 | 0.340 | 3.0 | 4 | - | - | - | - | - | SP | SAND | 1.95 | Missouri |  |  |
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