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• ~ • <br /> TABLE 7 <br /> (Continued) <br /> Premining Geomorphic Parameters for Basins to be Affected by Mining <br /> end Proximate Adjacent Basins <br /> Annend 011 Y1 T2 Y3 Methodology <br />Parameter Unit/Equation Drew Drew Drew Draw Draw Reference <br /> <br />Mean Basin Elevetlon elev(f[), intercontour areas x intercontour 7278 7438 7641 7431 7662 4 <br /> watershed area elevations <br />Average Yatershed Slope ft/ft, .25 t(LC25+LCSO+LC75) 0.342 0.065 0.111 0.014 0.052 5 <br />27878400 ft2/1 mi 2 <br />St eem Order N/A 4 <br />Drainage Pattern N/A parallel 8 <br />dendritic <br />1 Gregory end Walling, 1973 <br />~ 2 Morisewa, 1968 <br />3 Schumm, 1963 <br />4 Viessman, Knepp, Lewis and Xarbaugh, 1977 <br />5 Williams end Berndt, 1976 <br />3 3 2 3 2 <br />parallel 8 parallel 8 parallel b parallel d <br />dendritic dendritic dendritic dendritic 1 <br />