Laserfiche WebLink
4 • <br />HYDROLOGIC AND HYDRAULIC DESIGN OF SEDIMENTATION PONDS <br />AND OTHER DRAINAGE FEATURES FOR <br />NATIONAL KING COAL MINE <br />National King Coal Mine <br />Hesperus, Colorado <br />• <br />prepared by: <br />Don R. May, P.E. <br />735 East 7th Ave. <br />Durango, CO 81301 <br />May 1995 <br />revised July 1997 <br />revised December 1997 <br />revised January 1998 <br />(This is a revised report, see next page for.list.of,changes} <br />e' ~: ' ~ ~r' e ~~ <br />..~~ 23v" 5 '`~'' <br />~`~ ~~ <br />i ~ t/ _V' . `'~ w <br />r " !. '~C~ <br />f/f/i)1!lii1t.9131~t'~~ ';~i• <br />January 1998 <br />