Dames & Moore, 1999 - USDA Forest Service

Figure 4.3-7b -
Figure 4.3-8 -
Figure 4.3-9a -
Figure 4.3- 10 -
Figure 4.4- 1 -
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Figure 4.4.3 -
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Figure 5'.3-6 -
Figure 5.3-7 -
Figure 5.3-8 -
Portal Discharge vs. Precipitation - May 1998 through October 1998
Approximate Locations of Surface Water Run-on and Run-off - Site
Holden Village precipitation Record May through October 1997
September 1998 Baseflow Survey - RC-6 to 4
Site Hydrogeologic Investigation Locations
Interpretive ~ ~dro~eolo~ic Cross Section Tailings Pile #2 Along Geophysics Cross Section
C-C' including May 1997 Water Levels
Interpretive Hydrogeologic Cross Section Tailings Pile #3 Along Geophysics Cross Section
D-D' including May 1997 Water Levels
Interpretive Hydrogeologic Cross Section Tailings Pile #2 Along Geophysics Cross Section
C-C' including September 1997 Water Levels
Interpretive Hydrogeologic Cross Section Tailings Pile # Along Geophysics Cross Section
D-D' including September 1997 Water Levels
Water Levels in Site Wells Completed in Native Materials - May 1997
Water Levels in Site Wells Completed in Native Materials - June 1997
Water Levels in Site Wells Completed in Native Materials - July 1997
Water Levels in Site Wells Completed in Native Materials - September 1997
Water Levels in Site Wells Completed in Tailings - May 1997
Water Levels in Site Wells Completed in Tailings - September 1997
Groundwater Elevations PZ-1 Location
Groundwater Elevations PZ-3 Location
Groundwater Elevations PZ-4 Location
Flow Net for Site Wells Completed in Native Materials - May 1997
Flow Net for Site Wells Completed in Tailings - May 1997
Flow Net for Site Wells Completed in Native Materials September 1997
.Flow Net for Site Wells Completed in Tailings - September 1997
September 1998 Baseflow Survey - RC-6 to RC-4
Site-Specific Water Balance Schematic of Flow Path - MayIJune 1997
Honeymoon Heights and Mine Support Areas - Conceptual Transport Pathways
Tailings Pile 1 - Conceptual Transport Pathways
Tailings Pile 2 - Conceptual Transport Pathways
Tailings ,Pile 3 - Conceptual Transport Pathways
Site-Specific Water Balance Schematic of Flow Paths- September 1997
Aquatic Sampling Locations - Railroad Creek
Stehekin River Watershed - Aquatic Sampling Locations
RC-9 Benthic Macroinvertebrate Replicate Results
Holden Mine Cutthroat Length Frequency
Ecological Survey Locations - Terrestrial - Site
RI Soil Investigation Locations
Area Background Surface Soil Sample Locations
Historical Soil Investigation Locations
Lagoon Test Pit Locations
RI Wind-Blown Tailings Sample Locations
Surface Water Sample Locations - Railroad Creek Watershed
RI Water Quality Sampling Locations - Site
Stehekin River Watershed - Water Quality Sampling Locations
Historical Surface Water Sample Locations
1997 RC-4 Flow vs. Aluminum Concentration (p&) at RC-2
1997 RC-4 Flow vs. Copper, Manganese, and Zinc Concentration (pg/L) at RC-2
1997 RC-4 Flow vs. Iron Concentration (pg/L) at RC-2
1997 RC-4 Flow vs. Cadmium Concentration ( pa) at RC-2
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Figures. Appendices.doc
17693-005-0 19Vuly 29. 1999;12:55 PM;DRAFT FINAL RI REPORT