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Bu[IdaR Mine TailinRS Ponds Evaluation <br />LIST OF TABLES <br />• Table 4.1 Summary of Geotechnical Laboratory Tests <br />Table 5.1 Results of Acid Base Accounting Tests on Samples from the Bulldog Tailings <br />Impoundments <br />Table ~.2 Paste pH Values of Distilled Water and Tailings Slurries Measured During <br />Drilling Investigations of the Upper Pond and Lower Bulldog Tailings <br />Impoundments, Creede, Colorado <br />Table 5.3 Oxygen Flux and Oxygen Profile Measurements in Near-Surface Materials at the <br />Bulldog Tailings Impoundments, Creede, Colorado <br />Table 5.4 Results of Pore Water Chemical Analyses from the Upper Tailings Pond and <br />SPLP Batch Leach Tests (EPA Method 1312) on Materials From the Upper and <br />Lower Ponds at the Bulldog Mine, Creede, Colorado. <br />Table 5.~ Results of Batch Leach Attenuation Tests Using Soil Materials and Waters from <br />the Bulldog Tailings Impoundments, Creede, Colorado <br />LIST OF FIGURES <br />• Figure 2.1 Site Location Map <br />Figure 3.1 Upper Pond Site Map <br />Figure 3.2 Lower Pond Site Map <br />Figure 4.1 Consolidation Test Results for LP-2, 9.5 to 11.5 feet <br />Figure 4.2 Consolidation Test Results for LP-2, 29.5 to 31.5 feet <br />Figure 4.3 Consolidation Test Results for LP-3, 21.5 to 23.5 feet <br />Figure 4.4 Consolidation Test Results for UP-l, 14.0 to ] 6.0 feet <br />Figure S.la Photomicrographs of Tailings from Boring UP-1 (36.5 ft - 41.0 ft) Showing <br />Unoxidized Chalcopyrite (light gray grains) and Pyrite (bright white grains) <br />Figure S.lb Photomicrographs of Tailings from Boring UP-2 (11.5 ft - 16.5 ft) Showing <br />Unoxidized Pyrite Grains (bright white) <br />Figure S.Ic Photomicrographs of Tailings from Boring LP-l (4.5 ft - 9.5 ft) Showing <br />. Relatively Large Concentration of Unoxidized Pyrite (bright white grains) in Near <br />Surface Materials <br />Hamesmke dlining Campmry' Shepherd .tlilfer. lnc. <br />~ u-.irrin,dw„A.p, V ,Ipril l ~. 199? <br />