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Table 2.1. Drainage density of unmined basins surrounding Colorado <br />• Yampa Coal Company, Eckman Park Mine. All basins are <br />located on dip slopes of the Williams Fork Formation, simi- <br />lar to the mine site. See map 1 for basin locations. <br />Basin <br />Mile/Sq. Mile <br />Feet/Acre <br />A 8.22 68.4 <br />B 4.44 36.5 <br />C 5.65 46.6 <br />D 4.24 34.9 <br />E 2.65 21.9 <br />F 4.30 35.5 <br />G 7.45 61.5 <br />H 5.01 41.4 <br />• I 6.55 54.0 <br />J 3.46 28.5 <br />K 4.03 33.3 <br /> Mean: 5.10 mi./sq.'mi. ; 42.0 ft./ac. <br /> Standard <br /> Deviation: 1.71 mi./sq.mi. 14.2 ft./ac. <br /> Maximum: 8.22 mi./sq.mi. 68.4 ft./ac. <br /> Minimums 2.65 mi./sq.mi. 21.9 ft./ac. <br />L <br />16 <br />