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Ill IIIIIIIIIIIIIIII <br /> <br />STABILITY OF PORTAL ROCS PADS <br />COAL RIDGE fl IINDERGROIIND MINE <br />GARFZELD COIINTY, COLORADO <br />•....,, <br />Prepared for: <br />New Castle Energy Corporation <br />Denver, Colorado <br />Prepared by: <br />Adrian Brown Consultants, Inc <br />155 South Madison Street, Suite 302 <br />Denver, Colorado 80209 <br />• ~ Report 1145/900531 <br />May 31, 1990 <br />