GENERAL43932

• Permit No: C1981013
• IBM Index Class Name: General Documents
• Doc Date: 3/30/1994
• Doc Name: Response to stips 52 and 67
• Permit Index Doc Type: General Correspondence
• Media Type: D
• Archive: No

Table of Contents (Coot) •
Tables
Table 1 Historic Summary of Water Quality at PRS-1, Middle Fork of the
Purgatoire River ................................... . 3
Table 2 Historic Summary of Water Quality at PRS-3, North Fork of the
Purgatoire River ................................... . 5
Table 3A Drill Hole Data ................................... . 10
Table 3B Water Level Summary from Drilling at Golden Eagle and New Elk ... . 11
Table 4 Leakance and Discharge Values for Mine Inflow Predictions for the Raton
Formation Adjacent to Golden Eagle ...................... . 16
Table 5 _ Comparison of Areal Extent of Mining Projections: 1980 and 1994 ... . 17
Table 6 Summary of Golden Eagle Mine Inflow Calculations for Coal Face and
Roof .......................................... .I8
Table 7 Extent of Drawdown of Piezometric Surface during
Mining of the Golden Eagle Mine ........................ . 22
Table 8 Comparison of Quality of Mine Discharge and Stonewall Water Quality . . 24
Table 9 Prediction of Golden Eagle Mine Discharge on Quality of Water in the
North Fork of the Purgatoire River at Low Flow (4 cfs) and Mean Flow

Table 10 Comparison of 1980 Projections of Water Quality in the Middle Fork of
the Purgatoire below the New Elk Mine with 1993 Monitoring Data at
PRS-4 ......................................... .30
Table 11 Comparison of 1980 Projections of Water Quality
in the Middle Fork of the Purgatoire below the New Elk Mine with
1994 Revised Estimates ............................... . 33
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