GENERAL50925

• Permit No: M1999002
• IBM Index Class Name: General Documents
• Doc Date: 8/18/1998
• Doc Name: COMMERCIAL MINE PLAN SUBMITTED TO BLM SECTIONS 1-6
• Media Type: D
• Archive: No

• FIGURES

Figure 1-1 Regional setting of the project and location of project facilities.
Figure 1-2 Yankee Gulch Sodium Minerals Project map.
Figure 2-1 Piceance Site well field layout.
Figure 2-2 Well field -typical 5-year panel layout.
Figure 2-3 Piceance Site facilities layout.
Figure 2-4 Piceance Site plant area.
Figure 2-5 Typical solution mining well section.
Figure 2-6 Typical solution mine drill pad.
Figure 2-7 Typical monitoring well section.
Figure 2-8 Typical monitoring well drill pad.
Figure 2-9 Parachute site facilities layout.
Figure 3-1 Cross-sectional view of chimney and trough subsidence.
Figure 3-2 Induced strains from multiple nonadjacent cavity analysis.
Figure 3-3 Current and ultimate subsidence topography.
Figure 3-4 Current and ultimate subsidence topography.
Figure 3-5 East-west cross section showing differential settlement from natural
dissolution of upper salt horizon.
• Figure 3-6 Process flow diagram -initial processing.
Figure 3-7 Process flow diagram -final processing.
Figure 4-1 Monitoring wells for the 0-5 year mining panel.
Figure 7-1 Geologic and structural map of Piceance Creek Basin, northwestern
Colorado.
Figure 7-2 Regional south-to-north cross section across the Piceance Creek
Basin.
Figure 7-3 General stratigraphic sequence.
Figure 7-4 Structural features of the Piceance Creek Basin.
Figure 7-5 Surficial fracturing of north-central Piceance Creek Basin.
Figure 7-6 Geologic map of the Piceance Site.
Figure 7-7 stratigraphic and hydrologic column of American Soda Piceance
Site.
Figure 7-8 Locations of existing exploration holes and locations of cross
sections.
Figure 7-9 West-to-east cross section A-A' (Figure 7-8) of Piceance Site.
Figure 7-10 South-to-north cross section B-B' {Figure 7-8) of Piceance Site.
Figure 7-11 Soils map of the Piceance Site.
Figure 7-12 Saturated thickness of the Uinta Formation.
Figure 7-13 Saturated thickness of the Parachute Creek Member above the
Mahogany Zone.
.
Figure 7-14 Saturated thickness of Mahogany Zone.
American Soda. L.L.P.
Commercial Mme Plan V 11
August 18, 1998