Table 1. Locations and descriptions of sample sites in and near the
lower Clear Creek area

<table style="width:100%;">
<colgroup>
<col style="width: 5%" />
<col style="width: 5%" />
<col style="width: 6%" />
<col style="width: 7%" />
<col style="width: 7%" />
<col style="width: 5%" />
<col style="width: 6%" />
<col style="width: 7%" />
<col style="width: 6%" />
<col style="width: 6%" />
<col style="width: 6%" />
<col style="width: 6%" />
<col style="width: 6%" />
<col style="width: 6%" />
<col style="width: 10%" />
</colgroup>
<tbody>
<tr class="odd">
<td><p>Field site</p>
<p>Sample</p></td>
<td>Date</td>
<td>Latitude</td>
<td>Longitude</td>
<td colspan="4">SEDIMENT SAMPLES</td>
<td colspan="6">WATER SAMPLES</td>
<td><p>Site description</p>
<p>Sample description</p></td>
</tr>
<tr class="even">
<td></td>
<td></td>
<td></td>
<td></td>
<td><p>Bulk sediment</p>
<p>or</p>
<p>bedrock</p></td>
<td>Sediment &gt;2mm</td>
<td>Sediment &lt;2mm</td>
<td>Sediment &lt;63µm</td>
<td><p><strong>RU</strong> (unfiltered unacid-ified)</p>
<p>for Hg</p></td>
<td><p>FU</p>
<p>(filtered unacidified)</p>
<p>for anions</p></td>
<td><p>FA</p>
<p>(filtered acidified)</p>
<p>for metals</p></td>
<td><p><strong>RA</strong> (unfiltered acidified)</p>
<p>for metals</p></td>
<td><p>FU</p>
<p>(filtered unacid-ified)</p>
<p>for alkalinity</p></td>
<td><p>RU</p>
<p>(unfiltered unacid-ified)</p>
<p>for total carbon</p></td>
<td></td>
</tr>
<tr class="odd">
<td>CC1</td>
<td></td>
<td>40° 29.921'</td>
<td>122° 24.876'</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>South Pond, north side</td>
</tr>
<tr class="even">
<td>21CC01</td>
<td>8/27/01</td>
<td></td>
<td></td>
<td><p>21CC01-</p>
<p>WAS</p></td>
<td></td>
<td></td>
<td><p>21CC01-</p>
<p>WBSF</p></td>
<td>21CC01W</td>
<td><p>21CC01-</p>
<p>WA</p></td>
<td><p>21CC01-</p>
<p>WB</p></td>
<td></td>
<td><p>21CC01-</p>
<p>WD</p></td>
<td><p>21CC01-</p>
<p>WTC</p></td>
<td>Clear water, away from turbidity plume, bottom sediment</td>
</tr>
<tr class="odd">
<td>CC2</td>
<td></td>
<td>40° 30.246'</td>
<td>122° 24.206'</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>East Pond, south side near east end</td>
</tr>
<tr class="even">
<td>21CC02</td>
<td>8/27/01</td>
<td></td>
<td></td>
<td><p>21CC02-</p>
<p>WBS</p></td>
<td></td>
<td></td>
<td><p>21CC02-</p>
<p>WASF</p></td>
<td>21CC02W</td>
<td><p>21CC02-</p>
<p>WA</p></td>
<td><p>21CC02-</p>
<p>WB</p></td>
<td></td>
<td><p>21CC02-</p>
<p>WD</p></td>
<td><p>21CC02-</p>
<p>WTC</p></td>
<td>Standing water (depth about 25cm) and bottom sediment</td>
</tr>
<tr class="odd">
<td>22CC02</td>
<td>6/5/02</td>
<td></td>
<td></td>
<td><p>22CC02-</p>
<p>SBA</p>
<p>22CC02-</p>
<p>SB</p></td>
<td><p>22CC02-</p>
<p>SC</p></td>
<td><p>22CC02-</p>
<p>SF</p></td>
<td></td>
<td>22CC02W</td>
<td><p>22CC02-</p>
<p>WA</p></td>
<td><p>22CC02-</p>
<p>WB</p></td>
<td><p>22CC02-</p>
<p>WC</p></td>
<td><p>22CC02-</p>
<p>WD</p></td>
<td><p>22CC02-</p>
<p>WTC</p></td>
<td>Standing water (depth about 25cm) and bottom sediment</td>
</tr>
<tr class="even">
<td>23CC02</td>
<td>7/29/03</td>
<td></td>
<td></td>
<td><p>23CC02-</p>
<p>SB</p></td>
<td></td>
<td></td>
<td></td>
<td>23CC02W</td>
<td><p>23CC02-</p>
<p>WC</p></td>
<td><p>23CC02-</p>
<p>WA</p></td>
<td><p>23CC02-</p>
<p>WB</p></td>
<td><p>23CC02-</p>
<p>WD</p></td>
<td><p>23CC02-</p>
<p>WTC</p></td>
<td>Standing water (depth about 25cm) and bottom sediment</td>
</tr>
<tr class="odd">
<td>CC3</td>
<td></td>
<td>40° 29.881'</td>
<td>122° 24.860'</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>South Pond, south side</td>
</tr>
<tr class="even">
<td>21CC03</td>
<td>8/28/01</td>
<td></td>
<td></td>
<td><p>21CC03-</p>
<p>SA</p>
<p>21CC03-</p>
<p>WSAB</p></td>
<td></td>
<td></td>
<td><p>21CC03-</p>
<p>WSFB</p></td>
<td>21CC03W</td>
<td><p>21CC03-</p>
<p>WA</p></td>
<td><p>21CC03-</p>
<p>WB</p></td>
<td><p>21CC03-</p>
<p>WC</p></td>
<td><p>21CC03-</p>
<p>WD</p></td>
<td><p>21CC03-</p>
<p>WTC</p></td>
<td>Turbid water in plume from introduced fill (local alluvial
gravel)</td>
</tr>
<tr class="odd">
<td><p>CC4</p>
<p>CC5</p>
<p>CC6</p></td>
<td></td>
<td>40° 29.896'</td>
<td>122° 24.932'</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>West side of South Pond</td>
</tr>
<tr class="even">
<td>21CC04</td>
<td>8/28/01</td>
<td></td>
<td></td>
<td><p>21CC04-</p>
<p>SA</p></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Fill material derived from stream sediment</td>
</tr>
<tr class="odd">
<td>21CC05</td>
<td>8/28/01</td>
<td></td>
<td></td>
<td>21CC05S</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Composite of metamorpic-rock pebbles from fill</td>
</tr>
<tr class="even">
<td>21CC06</td>
<td>8/28/01</td>
<td></td>
<td></td>
<td>21CC06S</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Composite of granitic-rock pebbles from fill</td>
</tr>
<tr class="odd">
<td>CC7</td>
<td></td>
<td>40° 30.045'</td>
<td>122° 24.950'</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Pond 3</td>
</tr>
<tr class="even">
<td>21CC07</td>
<td>8/28/01</td>
<td></td>
<td></td>
<td><p>21CC07S</p>
<p>21CC07-</p>
<p>ASB</p></td>
<td></td>
<td></td>
<td>21CC07B</td>
<td>21CC07W</td>
<td><p>21CC07-</p>
<p>WA</p></td>
<td><p>21CC07-</p>
<p>WB</p></td>
<td><p>21CC07-</p>
<p>WC</p></td>
<td><p>21CC07-</p>
<p>WD</p></td>
<td></td>
<td>Standing water (depth 10 cm) and bottom sediment</td>
</tr>
<tr class="odd">
<td><p>CC8</p>
<p>CC9</p></td>
<td></td>
<td>40° 29.805'</td>
<td>122° 27.411’</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Terrace surface adjacent to drainage/sluice cut in Nomlaki Tuff
bedrock</td>
</tr>
<tr class="even">
<td>21CC08</td>
<td>8/28/01</td>
<td></td>
<td></td>
<td></td>
<td><p>21CC08-</p>
<p>SC</p></td>
<td><p>21CC08-</p>
<p>SF1</p>
<p>21CC08-</p>
<p>SF2</p></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Coarse tailings</td>
</tr>
<tr class="odd">
<td>21CC09</td>
<td>8/28/01</td>
<td></td>
<td></td>
<td>21CC09S</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Nomlaki Tuff at sluice cut</td>
</tr>
<tr class="even">
<td>CC10</td>
<td></td>
<td>40°29.738'</td>
<td>122°27.154'</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Outlet of placer mine drainage tunnel cut in Nomlaki Tuff</td>
</tr>
<tr class="odd">
<td>21CC10</td>
<td>8/28/01</td>
<td></td>
<td></td>
<td><p>21CC10-</p>
<p>SB1</p>
<p>21CC10-</p>
<p>SB2</p></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td><p>21CC10-</p>
<p>WA</p></td>
<td><p>21CC10-</p>
<p>WB</p></td>
<td><p>21CC10-</p>
<p>WC</p></td>
<td><p>21CC10-</p>
<p>WD</p></td>
<td></td>
<td>Tailings blocking outlet of drainage tunnel, and water ponded on
these tailings</td>
</tr>
<tr class="even">
<td>22CC10</td>
<td>6/5/02</td>
<td></td>
<td></td>
<td><p>22CC10-</p>
<p>SB</p></td>
<td><p>22CC10-</p>
<p>SC</p></td>
<td><p>22CC10-</p>
<p>SF</p>
<p>22CC10-</p>
<p>SM*</p></td>
<td><p>22CC10-</p>
<p>SFA</p></td>
<td>22CC10W</td>
<td><p>22CC10-</p>
<p>WA</p></td>
<td><p>22CC10-</p>
<p>WB</p></td>
<td><p>22CC10-</p>
<p>WC</p></td>
<td><p>22CC10-</p>
<p>WD</p></td>
<td><p>22CC10-</p>
<p>WTC</p></td>
<td>“</td>
</tr>
<tr class="odd">
<td>23CC10</td>
<td>1/29/03</td>
<td></td>
<td></td>
<td><p>23CC10-</p>
<p>SB</p></td>
<td></td>
<td><p>23CC10-</p>
<p>SF</p>
<p>23CC10-</p>
<p>SM</p></td>
<td><p>23CC10-</p>
<p>SFA</p></td>
<td>23CC10W</td>
<td><p>23CC10-</p>
<p>WC</p></td>
<td><p>23CC10-</p>
<p>WA</p></td>
<td><p>23CC10-</p>
<p>WB</p></td>
<td><p>23CC10-</p>
<p>WD</p></td>
<td></td>
<td>“</td>
</tr>
<tr class="even">
<td>CC11</td>
<td></td>
<td>40° 29.737'</td>
<td>122° 27.344”</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Gravel bar (bed of Clear Creek) about 1.4 km below Saeltzer Dam
site</td>
</tr>
<tr class="odd">
<td>21CC11</td>
<td>8/28/01</td>
<td></td>
<td></td>
<td><p>21CC11-</p>
<p>SB1</p>
<p>21CC11-</p>
<p>SB2</p></td>
<td><p>21CC11-</p>
<p>SC</p></td>
<td><p>21CC11-</p>
<p>SF</p></td>
<td><p>21CC11-</p>
<p>SVF</p></td>
<td>21CC11W</td>
<td><p>21CC11-</p>
<p>WA</p></td>
<td><p>21CC11-</p>
<p>WB</p></td>
<td><p>21CC11-</p>
<p>WC</p></td>
<td><p>21CC11-</p>
<p>WD</p></td>
<td></td>
<td>Water (depth 20-40 cm) and sediment</td>
</tr>
<tr class="even">
<td>22CC11</td>
<td>6/5/02</td>
<td>“</td>
<td>“</td>
<td><p>22CC11-</p>
<p>SB</p></td>
<td><p>22CC11-</p>
<p>SC</p></td>
<td><p>22CC11-</p>
<p>SF</p>
<p>22CC11-</p>
<p>SM*</p></td>
<td><p>22CC11-</p>
<p>SFA</p></td>
<td>22CC11W</td>
<td><p>22CC11-</p>
<p>WA</p></td>
<td><p>22CC11-</p>
<p>WB</p></td>
<td><p>22CC11-</p>
<p>WC</p></td>
<td><p>22CC11-</p>
<p>WD</p></td>
<td><p>22CC11</p>
<p>WTC</p></td>
<td>“</td>
</tr>
<tr class="odd">
<td>23ACC11</td>
<td>1/27/03</td>
<td>“</td>
<td>“</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>23ACC11W</td>
<td><p>23ACC11-</p>
<p>WC</p></td>
<td><p>23ACC11-</p>
<p>WA</p></td>
<td><p>23ACC11-</p>
<p>WB</p></td>
<td><p>23ACC11-</p>
<p>WD</p></td>
<td></td>
<td>“</td>
</tr>
<tr class="even">
<td>23BCC11</td>
<td>1/28/03</td>
<td>“</td>
<td>“</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>23BCC11W</td>
<td><p>23BCC11-</p>
<p>WC</p></td>
<td><p>23BCC11-</p>
<p>WA</p></td>
<td><p>23BCC11-</p>
<p>WB</p></td>
<td><p>23BCC11-</p>
<p>WD</p></td>
<td></td>
<td>“</td>
</tr>
<tr class="odd">
<td>23CCC11</td>
<td>7/29/03</td>
<td>“</td>
<td>“</td>
<td><p>23CCC-11</p>
<p>SB</p></td>
<td></td>
<td><p>23CCC-11</p>
<p>SM</p></td>
<td><p>23CCC-11</p>
<p>SF</p></td>
<td>23CCC11W</td>
<td><p>23CCC11-</p>
<p>WC</p></td>
<td><p>23CCC11-</p>
<p>WA</p></td>
<td><p>23CCC11-</p>
<p>WB</p></td>
<td><p>23CCC11-</p>
<p>WD</p></td>
<td><p>23CCC11-</p>
<p>WTC</p></td>
<td>“</td>
</tr>
<tr class="even">
<td>CC12</td>
<td></td>
<td>40° 30.052'</td>
<td>122° 29.196'</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Red Pond, south end</td>
</tr>
<tr class="odd">
<td>21CC12</td>
<td>8/29/01</td>
<td></td>
<td></td>
<td>21CC12B</td>
<td></td>
<td></td>
<td></td>
<td>21CC12W</td>
<td><p>21CC12-</p>
<p>WA</p></td>
<td><p>21CC12-</p>
<p>WB1,2</p></td>
<td></td>
<td><p>21CC12-</p>
<p>WD</p></td>
<td></td>
<td>Water, depth 10 cm, and underlying mud</td>
</tr>
<tr class="even">
<td>22CC12</td>
<td>6/4/02</td>
<td>“</td>
<td>“</td>
<td><p>22CC12-</p>
<p>SB</p></td>
<td></td>
<td></td>
<td></td>
<td>22CC12W</td>
<td><p>22CC12-</p>
<p>WA</p></td>
<td><p>22CC12-</p>
<p>WB</p></td>
<td><p>22CC12-</p>
<p>WC</p></td>
<td><p>22CC12-</p>
<p>WD</p></td>
<td><p>22CC12-</p>
<p>WTC</p></td>
<td>“</td>
</tr>
<tr class="odd">
<td>23CC12</td>
<td>7/28/03</td>
<td>“</td>
<td>“</td>
<td><p>23CC12-</p>
<p>SB</p></td>
<td></td>
<td></td>
<td></td>
<td>23CC12W</td>
<td><p>23CC12-</p>
<p>WC</p></td>
<td><p>23CC12-</p>
<p>WA</p></td>
<td><p>23CC12-</p>
<p>WB</p></td>
<td><p>23CC12-</p>
<p>WD</p></td>
<td><p>23CC12-</p>
<p>WTC</p></td>
<td>“</td>
</tr>
<tr class="even">
<td>CC13</td>
<td></td>
<td>40° 30.066'</td>
<td>122° 29.205’</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Short prospect tunnel in Tehama Fm. gravels, low ridge E. of Red
Pond</td>
</tr>
<tr class="odd">
<td>21CC13</td>
<td>8/29/01</td>
<td></td>
<td></td>
<td>21CC13B</td>
<td><p>21CC13-</p>
<p>SC</p></td>
<td><p>21CC13-</p>
<p>SF1</p>
<p>21CC13-</p>
<p>SF2</p></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Tehama Fm. gravels exposed in tunnel</td>
</tr>
<tr class="even">
<td>21CC13</td>
<td>8/29/01</td>
<td></td>
<td></td>
<td>21CC13ST</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Nomlakai Tuff above tunnel</td>
</tr>
<tr class="odd">
<td>CC14</td>
<td></td>
<td>40° 29.921'</td>
<td>122° 29.114'</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Flood plain of Spring Creek</td>
</tr>
<tr class="even">
<td>21CC14</td>
<td>8/29/01</td>
<td></td>
<td></td>
<td><p>21CC14-</p>
<p>SB</p></td>
<td><p>21CC14-</p>
<p>SC</p></td>
<td><p>21CC14-</p>
<p>SF1</p>
<p>21CC14-</p>
<p>SF2</p></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Dredge stacker tailings</td>
</tr>
<tr class="odd">
<td><p>CC15</p>
<p>CC16</p></td>
<td></td>
<td>40° 29.736'</td>
<td>122° 28.812'</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Alluvial terrace N. side Clear Creek; backhoe trench (Schmidt Pit)
near E. end of Shooting Gallery</td>
</tr>
<tr class="even">
<td>21CC15</td>
<td>8/29/01</td>
<td></td>
<td></td>
<td><p>21CC15-</p>
<p>CL1</p>
<p>21CC15-</p>
<p>CL2</p></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Sluice tailings (clay-silt)</td>
</tr>
<tr class="odd">
<td>21CC15</td>
<td>8/29/01</td>
<td></td>
<td></td>
<td><p>21CC15-</p>
<p>SC1</p>
<p>21CC15-</p>
<p>SC2</p></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Sluice tailings (coarse sand)</td>
</tr>
<tr class="even">
<td>21CC15</td>
<td>8/29/01</td>
<td></td>
<td></td>
<td><p>21CC15-</p>
<p>SF1</p>
<p>21CC15-</p>
<p>SF2</p></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Sluice tailings (fine sand)</td>
</tr>
<tr class="odd">
<td>21CC16</td>
<td>8/29/01</td>
<td></td>
<td></td>
<td><p>21CC16B</p>
<p>21CC16-</p>
<p>SB</p></td>
<td><p>21CC16-</p>
<p>SC</p></td>
<td><p>21CC16-</p>
<p>SF</p></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Stacker tailings overlying sluice tailings (previous 3 samples)</td>
</tr>
<tr class="even">
<td>CC17</td>
<td></td>
<td>40° 29.770'</td>
<td>122° 29.088'</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Alluvial terrace of Clear Creek, near confluence of Spring
Creek</td>
</tr>
<tr class="odd">
<td>21CC17</td>
<td>8/29/01</td>
<td></td>
<td></td>
<td><p>21CC17-</p>
<p>SB</p></td>
<td><p>21CC17-</p>
<p>SC</p></td>
<td><p>21CC17-</p>
<p>SF1</p>
<p>21CC17-</p>
<p>SF2</p></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Dredge stacker tailings</td>
</tr>
<tr class="even">
<td><p>CC18</p>
<p>CC19</p></td>
<td></td>
<td>40° 30.864'</td>
<td>122° 31.432'</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Clear Creek at USGS Gauging Station (Igo Gauge)</td>
</tr>
<tr class="odd">
<td>21CC18</td>
<td>8/29/01</td>
<td></td>
<td></td>
<td><p>21CC18-</p>
<p>SB1</p>
<p>21CC18-</p>
<p>SB2</p></td>
<td></td>
<td></td>
<td></td>
<td>21CC18W</td>
<td><p>21CC18-</p>
<p>WA</p></td>
<td><p>21CC18-</p>
<p>WB1, 2</p></td>
<td><p>21CC18-</p>
<p>WC1, 2</p></td>
<td><p>21CC18-</p>
<p>WD</p></td>
<td></td>
<td>Water (depth 40-50 cm) and bottom sediment, W bank of Clear
Creek</td>
</tr>
<tr class="even">
<td>22CC18</td>
<td>6/5/02</td>
<td></td>
<td></td>
<td><p>22CC18-</p>
<p>SB</p></td>
<td><p>22CC18-</p>
<p>SC</p></td>
<td><p>22CC18-</p>
<p>SF</p>
<p>22CC18-</p>
<p>SM*</p></td>
<td><p>22CC18-</p>
<p>SFA</p></td>
<td>22CC18W</td>
<td><p>22CC18-</p>
<p>WA</p></td>
<td><p>22CC18-</p>
<p>WB</p></td>
<td><p>22CC18-</p>
<p>WC</p></td>
<td><p>22CC18-</p>
<p>WD</p></td>
<td><p>22CC18-</p>
<p>WTC</p></td>
<td>Water (depth 10-20 cm) and sediment, small backwater at entrance to
overflow channel, W. bank of Clear Creek</td>
</tr>
<tr class="odd">
<td>23ACC18</td>
<td>1/27/03</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>23ACC18W</td>
<td><p>23ACC18-</p>
<p>WC</p></td>
<td><p>23ACC18-</p>
<p>WA</p></td>
<td><p>23ACC18-</p>
<p>WB</p></td>
<td><p>23ACC18-</p>
<p>WD</p></td>
<td></td>
<td>Water, W. bank Clear Creek near overflow channel (depth 50 cm)</td>
</tr>
<tr class="even">
<td>23B1CC18</td>
<td>1/27/03</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>23B1CC18W</td>
<td><p>23B1CC18-</p>
<p>WC</p></td>
<td><p>23B1CC18-</p>
<p>WA</p></td>
<td><p>23B1CC18-</p>
<p>WB</p></td>
<td><p>23B1CC18-</p>
<p>WD</p></td>
<td></td>
<td>Water (depth 20 cm) overflow channel on W. bank Clear Creek</td>
</tr>
<tr class="odd">
<td>23B2CC18</td>
<td>1/28/03</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>23B2CC18W</td>
<td><p>23B2CC18-</p>
<p>WC</p></td>
<td>23B2CC18-WA</td>
<td><p>23B2CC18-</p>
<p>WB</p></td>
<td>23B2CC18-WD</td>
<td></td>
<td>“</td>
</tr>
<tr class="even">
<td>23CCC18</td>
<td>7/29/03</td>
<td></td>
<td></td>
<td><p>23CCC18-</p>
<p>SB</p></td>
<td></td>
<td><p>23CCC18-</p>
<p>SM*</p></td>
<td><p>23CCC18-</p>
<p>SF</p></td>
<td>23CCC18W</td>
<td><p>23CCC18-</p>
<p>WC</p></td>
<td><p>23CCC18-</p>
<p>WA</p></td>
<td><p>23CCC18-</p>
<p>WB</p></td>
<td><p>23CCC18-</p>
<p>WD</p></td>
<td><p>23CCC18-</p>
<p>WTC</p></td>
<td>Same as 22CC18</td>
</tr>
<tr class="odd">
<td>21CC19</td>
<td>8/29/01</td>
<td></td>
<td></td>
<td><p>21CC19-</p>
<p>SB1</p>
<p>21CC19-</p>
<p>SB2</p></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Sand deposited in overflow channel, W. side Clear Creek</td>
</tr>
<tr class="even">
<td>CC20</td>
<td></td>
<td>40°29.907’</td>
<td>122°29.122’</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Flood plain of Spring Creek</td>
</tr>
<tr class="odd">
<td>22CC20</td>
<td>5/30/02</td>
<td></td>
<td></td>
<td><p>22CC20-</p>
<p>SB</p></td>
<td><p>22CC20-</p>
<p>SC</p></td>
<td><p>22CC20-</p>
<p>SF</p></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Dredge stacker tailings</td>
</tr>
<tr class="even">
<td>CC21</td>
<td></td>
<td>40°29.742’</td>
<td>122°28.898’</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Alluvial terrace of Clear Creek, N. side of Shooting Gallery</td>
</tr>
<tr class="odd">
<td>22CC21</td>
<td>5/30/02</td>
<td></td>
<td></td>
<td><p>22CC21-</p>
<p>SB</p></td>
<td><p>22CC21-</p>
<p>SC</p></td>
<td><p>22CC21-</p>
<p>SF</p></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Dredge stacker tailings</td>
</tr>
<tr class="even">
<td><p>CC22</p>
<p>CC23</p></td>
<td></td>
<td>40°29.727’</td>
<td>122°28.940’</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Alluvial terrace N. side Clear Creek; backhoe trench near W. end of
Shooting Gallery</td>
</tr>
<tr class="odd">
<td>22CC22</td>
<td>5/30/02</td>
<td></td>
<td></td>
<td><p>22CC22-</p>
<p>SB</p></td>
<td><p>22CC22-</p>
<p>SC</p></td>
<td><p>22CC22-</p>
<p>SF</p></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Mixed stacker and sluice tailings</td>
</tr>
<tr class="even">
<td>22CC23</td>
<td>5/30/02</td>
<td></td>
<td></td>
<td><p>22CC23-</p>
<p>SB</p></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Sluice sand</td>
</tr>
<tr class="odd">
<td>CC24</td>
<td></td>
<td>40°29.480’</td>
<td>122°29.688’</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Reading Bar borrow area, N. side of Clear Creek (probably originally
an alluvial terrace)</td>
</tr>
<tr class="even">
<td>22CC24</td>
<td>5/30/02</td>
<td></td>
<td></td>
<td><p>22CC24-</p>
<p>SB</p></td>
<td><p>22CC24-</p>
<p>SC</p></td>
<td><p>22CC24-</p>
<p>SF</p></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Regraded and revegetated stacker tailings</td>
</tr>
<tr class="odd">
<td>CC25</td>
<td></td>
<td>40°30.300’</td>
<td>122°24.200’</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Alluvial terrace at China Garden, N. of Clear Creek (unmined)</td>
</tr>
<tr class="even">
<td>22CC25</td>
<td>5/31/02</td>
<td></td>
<td></td>
<td></td>
<td><p>22CC25-</p>
<p>SC</p></td>
<td><p>22CC25-</p>
<p>SF</p></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Pebbly fluvial sand exposed in trench</td>
</tr>
<tr class="odd">
<td>CC26</td>
<td></td>
<td>40°30.034’</td>
<td>122°25.207’</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Restored flood plain, N. side of Clear Creek in Restoration Grove
area</td>
</tr>
<tr class="even">
<td>22CC26</td>
<td>5/31/02</td>
<td></td>
<td></td>
<td><p>22CC26-</p>
<p>SB</p></td>
<td><p>22CC26-</p>
<p>SC</p></td>
<td><p>22CC26-</p>
<p>SF</p></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Regraded and revegetated stacker tailings</td>
</tr>
<tr class="odd">
<td>CC27</td>
<td></td>
<td>40°30.130’</td>
<td>122°29.303’</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Granitic rock outcrop area N. of Red Pond</td>
</tr>
<tr class="even">
<td>22CC27</td>
<td>6/4/02</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>22CC27W</td>
<td><p>22CC27-</p>
<p>WA</p></td>
<td><p>22CC27-</p>
<p>WB</p></td>
<td><p>22CC27-</p>
<p>WC</p></td>
<td><p>22CC27-</p>
<p>WD</p></td>
<td><p>22CC27-</p>
<p>WTC</p></td>
<td>Water from seep along fracture in granitic rock</td>
</tr>
<tr class="odd">
<td>23CC27</td>
<td>7/28/03</td>
<td>“</td>
<td>“</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>23CC27W</td>
<td><p>23CC27-</p>
<p>WC</p></td>
<td><p>23CC27-</p>
<p>WA</p></td>
<td><p>23CC27-</p>
<p>WB</p></td>
<td><p>23CC27-</p>
<p>WD</p></td>
<td><p>23CC27-</p>
<p>WTC</p></td>
<td>“</td>
</tr>
<tr class="even">
<td>CC28</td>
<td></td>
<td>40°30.233’</td>
<td>122°29.232</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Actively degassing artesian well, upper Spring Creek drainage</td>
</tr>
<tr class="odd">
<td>22CC28</td>
<td>6/4/02</td>
<td></td>
<td></td>
<td><p>22CC28-</p>
<p>SB</p></td>
<td></td>
<td></td>
<td></td>
<td>22CC28W</td>
<td><p>22CC28-</p>
<p>WA</p></td>
<td><p>22CC28-</p>
<p>WB</p></td>
<td><p>22CC28-</p>
<p>WC</p></td>
<td><p>22CC28-</p>
<p>WD</p></td>
<td><p>22CC28-</p>
<p>WTC</p></td>
<td>Water from well (blocked at depth of 50 cm) and mud including
chemical precipitate around well head</td>
</tr>
<tr class="even">
<td>CC29</td>
<td></td>
<td>40°29.463’</td>
<td>122°29.726’</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Clear Creek at Reading Bar</td>
</tr>
<tr class="odd">
<td>22CC29</td>
<td>6/4/02</td>
<td></td>
<td></td>
<td><p>22CC29-</p>
<p>SB</p></td>
<td><p>22CC29-</p>
<p>SC</p></td>
<td><p>22CC29-</p>
<p>SM*</p></td>
<td><p>22CC29-</p>
<p>SF</p></td>
<td>22CC29W</td>
<td><p>22CC29-</p>
<p>WA</p></td>
<td><p>22CC29-</p>
<p>WB</p></td>
<td><p>22CC29-</p>
<p>WC</p></td>
<td><p>22CC29-</p>
<p>WD</p></td>
<td><p>22CC29-</p>
<p>WTC</p></td>
<td>Water (depth 10-320 cm) and bottom sediment</td>
</tr>
<tr class="even">
<td>23ACC29</td>
<td>1/27/03</td>
<td>“</td>
<td>“</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>23ACC29W</td>
<td><p>23ACC29-</p>
<p>WC</p></td>
<td><p>23ACC29-</p>
<p>WA</p></td>
<td><p>23ACC29-</p>
<p>WB</p></td>
<td><p>23ACC29-</p>
<p>WD</p></td>
<td></td>
<td>“</td>
</tr>
<tr class="odd">
<td>23BCC29</td>
<td>1/28/03</td>
<td>“</td>
<td>“</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>23BCC29W</td>
<td><p>23BCC29-</p>
<p>WC</p></td>
<td><p>23BCC29-</p>
<p>WA</p></td>
<td><p>23BCC29-</p>
<p>WB</p></td>
<td><p>23BCC29-</p>
<p>WD</p></td>
<td></td>
<td>“</td>
</tr>
<tr class="even">
<td>23CCC29</td>
<td>7/28/03</td>
<td>“</td>
<td>“</td>
<td><p>23CCC29-</p>
<p>SB</p></td>
<td><p>23CCC29-</p>
<p>SM</p></td>
<td><p>23CCC29-</p>
<p>SF</p></td>
<td></td>
<td>23CCC29W</td>
<td><p>23CCC29-</p>
<p>WC</p></td>
<td><p>23CCC29-</p>
<p>WA</p></td>
<td><p>23CCC29-</p>
<p>WB</p></td>
<td><p>23CCC29-</p>
<p>WD</p></td>
<td><p>23CCC29-</p>
<p>WTC</p></td>
<td>“</td>
</tr>
<tr class="odd">
<td>CC30</td>
<td></td>
<td>40°30.567’</td>
<td>122°22.766’</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Clear Creek about 30m upstream from SR 273 bridge</td>
</tr>
<tr class="even">
<td>22CC30</td>
<td>6/5/02</td>
<td></td>
<td></td>
<td><p>22CC30-</p>
<p>SB</p></td>
<td><p>22CC30-</p>
<p>SC</p></td>
<td><p>22CC30-</p>
<p>SF</p>
<p>22CC30-</p>
<p>SM*</p></td>
<td><p>22CC30-</p>
<p>SFA</p></td>
<td>22CC30W</td>
<td><p>22CC30-</p>
<p>WA</p></td>
<td><p>22CC30-</p>
<p>WB</p></td>
<td><p>22CC30-</p>
<p>WC</p></td>
<td><p>22CD30-</p>
<p>WD</p></td>
<td><p>22CC30-</p>
<p>WTC</p></td>
<td>Water (depth 10-40 cm) and sediment from bar adjacent to N.
bank</td>
</tr>
<tr class="odd">
<td>23ACC30</td>
<td>1/27/03</td>
<td>“</td>
<td>“</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>23ACC30W</td>
<td><p>23ACC30-</p>
<p>WC</p></td>
<td><p>23ACC30-</p>
<p>WA</p></td>
<td><p>23ACC30-</p>
<p>WB</p></td>
<td><p>23ACC30-</p>
<p>WD</p></td>
<td></td>
<td>“</td>
</tr>
<tr class="even">
<td>23BCC30</td>
<td>1/28/03</td>
<td>“</td>
<td>“</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>23BCC30W</td>
<td><p>23BCC30-</p>
<p>WC</p></td>
<td><p>23BCC30-</p>
<p>WA</p></td>
<td><p>23BCC30-</p>
<p>WB</p></td>
<td><p>23BCC30-</p>
<p>WD</p></td>
<td></td>
<td>“</td>
</tr>
<tr class="odd">
<td>23CCC30</td>
<td>7/29/03</td>
<td>“</td>
<td>“</td>
<td><p>23CCC39-</p>
<p>SB</p></td>
<td><p>23CCC30-</p>
<p>SM</p></td>
<td><p>23CCC30-</p>
<p>SFA</p></td>
<td></td>
<td>23CCC30W</td>
<td><p>23CCC30-</p>
<p>WC</p></td>
<td><p>23CCC30-</p>
<p>WA</p></td>
<td><p>23CCC30-</p>
<p>WB</p></td>
<td><p>23CCC30-</p>
<p>WD</p></td>
<td><p>23CCC30-</p>
<p>WTC</p></td>
<td>“</td>
</tr>
<tr class="even">
<td>CC31</td>
<td></td>
<td>40°29.803’</td>
<td>122°27.135’</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Sluice cut, 10m upstream from inlet to placer mine drainage
tunnel</td>
</tr>
<tr class="odd">
<td>23CC31</td>
<td>1/29/03</td>
<td></td>
<td></td>
<td><p>23CC31-</p>
<p>SB</p></td>
<td></td>
<td><p>23CC31-</p>
<p>SF</p>
<p>23CC31-</p>
<p>SM</p></td>
<td><p>23CC31-</p>
<p>SFA</p></td>
<td>23BCC31W</td>
<td><p>23BCC31-</p>
<p>WC</p></td>
<td><p>23BCC31-</p>
<p>WA</p></td>
<td><p>23BCC31-</p>
<p>WB</p></td>
<td><p>23BCC31-</p>
<p>WD</p></td>
<td></td>
<td>Water (depth 10 cm) and sediment from bed of sluice cut</td>
</tr>
<tr class="even">
<td>CC32</td>
<td></td>
<td>40°29.865’</td>
<td>122°27.105’</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Catchment pond with rip-rap spillway, below constructed
wetlands</td>
</tr>
<tr class="odd">
<td>23CC32</td>
<td>1/29/03</td>
<td></td>
<td></td>
<td><p>23CC32-</p>
<p>SB</p></td>
<td></td>
<td></td>
<td></td>
<td>23CC32W</td>
<td><p>23CC32-</p>
<p>WC</p></td>
<td><p>23CC32-</p>
<p>WA</p></td>
<td><p>23CC32-</p>
<p>WB</p></td>
<td><p>23CC32-</p>
<p>WD</p></td>
<td></td>
<td>Standing water (depth 5 cm) and underlying mud</td>
</tr>
<tr class="even">
<td>CC33</td>
<td></td>
<td>40°29.938’</td>
<td>122°27.191’</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Constructed wetlands pond, S. of access road</td>
</tr>
<tr class="odd">
<td>23CC33</td>
<td>1/29/03</td>
<td></td>
<td></td>
<td><p>23CC33-</p>
<p>SB</p></td>
<td></td>
<td></td>
<td></td>
<td>23CC33W</td>
<td><p>23CC33-</p>
<p>WC</p></td>
<td><p>23CC33-</p>
<p>WA</p></td>
<td><p>23CC33-</p>
<p>WB</p></td>
<td><p>23CC33-</p>
<p>WD</p></td>
<td></td>
<td>Standing water (depth 10 cm) and underlying mud</td>
</tr>
<tr class="even">
<td>CC34</td>
<td></td>
<td>40°29.812’</td>
<td>122°27.418’</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Beaver Pond, a seasonal pond behind blocked placer mine
sluice/drainage cut</td>
</tr>
<tr class="odd">
<td>23CC34</td>
<td>1/29/03</td>
<td></td>
<td></td>
<td><p>23CC34-</p>
<p>SB</p></td>
<td></td>
<td></td>
<td></td>
<td>23CC34W</td>
<td><p>23CC34-</p>
<p>WC</p></td>
<td><p>23CC34-</p>
<p>WA</p></td>
<td><p>23CC34-</p>
<p>WB</p></td>
<td><p>23CC34-</p>
<p>WD</p></td>
<td></td>
<td>Seasonal pond occupying blocked hydraulic drainage cut</td>
</tr>
<tr class="even">
<td>CC35</td>
<td></td>
<td>40°30.067’</td>
<td>122°29.241’</td>
<td><p>23CC35-</p>
<p>SB</p></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Small pond about 20 m north of Red Pond</td>
</tr>
<tr class="odd">
<td>23CC35</td>
<td>7/28/03</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>23CC35W</td>
<td><p>23CC35-</p>
<p>WC</p></td>
<td><p>23CC35-</p>
<p>WA</p></td>
<td><p>23CC35-</p>
<p>WB</p></td>
<td><p>23CC35-</p>
<p>WD</p></td>
<td><p>23CC35-</p>
<p>WTC</p></td>
<td>Water (depth 10-20 cm) and bottom mud</td>
</tr>
<tr class="even">
<td>CC36</td>
<td></td>
<td>40°30.006’</td>
<td>122°25.184’</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td>Clear Creek at downstream end of Restoration Grove</td>
</tr>
<tr class="odd">
<td>23CC36</td>
<td>7/28/03</td>
<td></td>
<td></td>
<td><p>23CC36-</p>
<p>SB</p></td>
<td></td>
<td><p>23CC36-</p>
<p>SM</p></td>
<td><p>23CC36-</p>
<p>SF</p></td>
<td>23CC36W</td>
<td><p>23CC36-</p>
<p>WC</p></td>
<td><p>23CC36-</p>
<p>WA</p></td>
<td><p>23CC36-</p>
<p>WB</p></td>
<td><p>23CC36-</p>
<p>WD</p></td>
<td><p>23CC36-</p>
<p>WTC</p></td>
<td>Water (depth 10 cm) and thin sediment overlying “hard pan” (Nomlaki
Tuff bedrock)</td>
</tr>
</tbody>
</table>

Color code:

Red: analyzed by Frontier Geosciences, Inc.

Green: analyzed by ALS Chemex, Inc.

Black: analyzed by U.S. Geological Survey, Mineral Resource Surveys,
Denver

\*Size range \<2mm\>63m