| **Table 1.**Study areas and geologic setting |                                |                         |          |
|----------------------------------------------|--------------------------------|-------------------------|----------|
|                                              |
| Study Area                                   | Type of  Geologic Deposit      | Average V***S30***(m/s) | Location | Geologic Map Reference | No. of CPT |  |  |
| 1                                            |                                | Alluvial fan            | 297      | Greater Oakland, CA | Witter and others (2006) | 85 |  |
| 2                                            | a                              | Alluvial fan            | 260      | Santa Clara Valley, CA | Witter and others (2006) | 98 |  |
| b                                            | Alluvial fan, young levee      | 230                     | 25       |  |
| 3                                            | a                              | Beach ridge (Holocene)  | 232      | Greater Charleston, SC | Weems and others (unpub. data) | 30 |  |
| b                                            | Beach ridge (Pleistocene)      | 271                     | 70       |  |
| 4                                            |                                | Beach ridge             | 239      | Upper Peninsula, MI | (aerial photos) | 32 |  |
| 5                                            | a                              | Delta, topset beds      | 222      | Sheyenne River, Richland County, ND | Baker (1966) | 32 |  |
| b                                            | Delta, foreset beds            | 146                     | 19       |  |
| 6                                            |                                | Dunes, eolian           | 260      | Indiana Dunes National Lakeshore, IN | Thompson (1990) | 25 |  |
| 7                                            | a                              | Floodplain (floodbasin) | 232      | Evansville,  IN | Fraser and Fishbaugh (1986); Moore and others (2009) | 25 |  |
| b                                            | Floodplain (natural levee)     | 236                     | 13       |  |  |
| 8                                            | a                              | Floodplain (point bar)  | 217      | Mississippi River, AR, MO, and MS | Saucier (1994b) | 90 |  |  |  |
| b                                            | Floodplain (abandoned channel) | 197                     | 40       |  |  |  |
| c                                            | Floodplain (floodbasin)        | 201                     | 20       |  |  |  |
| 9                                            |                                | Floodplain (point bar)  | 234      | Ouachita River, AR | Saucier and Smith (1986) | 30 |  |
| 10                                           |                                | Floodplain (point bar)  | 241      | Red River, AR | Schultz and Krinitzsky (1950) | 30 |  |
| 11                                           |                                | Floodplain (point bar)  | 231      | Rio Grande, TX | Brown et al. (1980) | 32 |  |
| 12                                           |                                | Floodplain (point bar)  | 237      | Wolf River, TN | Broughton (1999); Cox (2004); Van Arsdale (2004a, b) | 23 |  |  |  |
| 13                                           |                                | Lacustrine              | 199      | Richland County, ND | Baker (1966) | 25 |  |
| 14                                           |                                | Lagoonal                | 190      | Brazoria and Matagorda Counties, TX | Fisher and others (1972); McGowen and others (1976) | 30 |  |
| 15                                           |                                | Sandy artificial fill   | 197      | Greater Oakland, CA | Witter and others (2006) | 81 |  |
| 16                                           |                                | Valley train, Pvl1      | 216      | Mississippi Valley, AR and MO | Saucier (1994b) | 37 |  |
|                                              | Valley train, Pvl2             | 237                     | 35       |  |
|                                              |