Dames & Moore, 1999 - USDA Forest Service

Figure 4.2-2 -
Figure 4.2-3 -
Figure 4.2-4 -
Figure 4.2-5 -
Figure 4.2-6a -
Figure 4.2-6b -
Figure 4.2-6c -
Figure 4.2-7 -
Figure 4.2-8 -
Figure 4.2-9 -
Figure 4.2- 10 -
Figure 4.2-1 1 -
Figure 4.2-12 -
Figure 4.2-13 -
Figure 4.2- 14 -
Figure 4.2- 15'-
Figure 4.2- 16 -
Figure 4;2- 17 -
Figure 4.2- 18 -
Figure 4.2- 19 -
Figure 4.2-20 -
Figure 4.2-2 1 -
Figure 4.2-21a -
Figure 4.2-21 b -
Figure 4.2-21c -
Figure 4.2-21d -
Figure 4.2-2 1 e -
Figure 4.2-2 1 f -
Figure 4.2-21g -
Figure 4.2-2 1h -
Figure 4.2-22 -
Figure 4.2-23 -
Figure 4.2-24 - ,
Figure 4.2-25 -
Figure 4.3-1 - ,
Figure 4.3-2 -
Figure 4.3-3 -
Figure 4.3-3a -
Figure 4.3-3b -
Figure 4.3-3c -
Figure 4.3-3d -
Figure 4.3-4 -
Figure 4.3-4a -
Figure 4.3-5 -
Figure 4.3-6 -
Figure 4.3-7 -
Figure 4.3-7a -
Regional Recorded Seismic Events
North Lake Chelan Basin Geology Map with Historic Mining Activity
Railroad Creek Watershed Geology Map with Surficial Geology and Historic Mining Activity
Railroad Creek Watershed Structural Geology Map
Holden Mine Site Geologic Map
RI Geologic Investigation Locations
Site Geological Data Collected During Hydrogeologic Investigations
Holden Mine Site Geologic Cross Section A-A'
Holden Mine Site Geologic Cross Section B-B
Holden Mine Site Geologic Cross Section C-C'
Holden Mine Site Geologic Cross Section D-D'
Holden Mine Site Geologic Cross Section BE'
Holden Mine Site Geologic Cross Section F-F'
Holden Mine Site Geologic Cross Section G-G'
Holden Mine Site Geologic Cross Section H-H'
Holden Mine Site Geologic Cross Section I-I'
olden Mine Site Equivalent SPT and Liquefaction Potential
Holden Mine Site Slope Stability Cross Section C-C'- Static Conditions
Holden Mine Site Slope Stability Cross Section D-Dl-Static Conditions
Holden Mine Site Slope Stability Cross Section C-C'- Seismic Conditions
Holden Mine Site Slope Stability Cross Section D-D'-Seismic Conditions
Holden Mine Site Erosion Potential Map
Holden Mine Areas of Near-Surface Mine Workings
Holden Mine Subsidence P.otential Assessment - Scanline Locations
Holden Mine Subsidence Potential Assessment - Scanline 1-NE
Wall Stereonet
Holden Mine Subsidence Potential Assessment - Scanline 1-SW .
Wall Stereonet
Holden Mine Subsidence Potential Assessment - Scanline 3-NE
Wall Stereonet
Holden Mine Subsidence Potential Assessment - Scanline 3-SW
Wall Stereonet
Holden Mine Subsidence Potential Assessment - Stereographic Projection Legend
Critical Empirical Span/Thickness for Surface Crown Pillars
Approximate Extent of Wind-Blown Tailings
Railroad Creek - Existing and Potential Borrow Source Areas Map
Holden Mine Site Rip-Rap Condition Map
Holden Mine Site Potential Borrow Source Areas Map
Average Monthly Flow Per Unit Area of Watershed Railroad Creek, Stehekin River and Entiat
River, 1997
Railroad Creek Watershed
Streamflow and Water Quality Monitoring Stations - Railroad Creek
Stream Flow and water Quality Monitoring Stations - Site
Holden Mine Site Map; Railroad Creek Channel - 1937
Approximate Extent of Interstitial Iron Oxide Precipitate in Railroad Creek
Approximate Extent of Exposed Ferricrete in Railroad Creek
RC-4 Daily Average Flow for April through October 1997
RC-4 Daily Average Flow for April through October 1998
Stehekin River Daily Hydrograph for April 1 through November 1, 1997
Copper Creek Hydrograph for May 18 through September 15, 1997
P-1 and P-5 Hydrograph for May 17 through September 20, 1997
Discharge vs. Time, Portal Drainage - October 1997 through October 1998
G:\wpdataVX)S\rcponsUloldcn-2Li\Tablel. Figures. Appcndiccs.doc
17693-005-019Uuly 29,1999;12:55 PM;DRAIT FINAL RI REPORT
.
xiv DAMES & MOORE
.
.
0
,a