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• Table 74 <br />COAL BED HYDROLOGIC DATA - NORTHERN COAL COMPANY <br /> <br />Well No. <br />Coal Bed Equivalent Empire <br />Coal Bed Permeability <br />gpd/ft2 Storativity <br />HFC-1 FF P 7.0 - <br />HFC-1 FF P 16.0 0.00095 <br />HFC-2a FF P 0.60 - <br />HFC-3 FF P 3.1 - <br />HFC-4a FF P 17.0 - <br />HFG-1 G F? 0.04 - <br />HFG-2 G F? 0.1 - <br />HFJ-1 J ? 0.34 - <br />HFP-la P ? 20.0 - <br />. (Northern Coal Company, 1980) <br /> <br />