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<br />l\) <br />o <br />00 <br />0) <br /> <br />DEPARTMENT OF THE INTERIOR <br /> <br />DONALD PADL HODEL, Secretary <br /> <br />D,S, GEOLOGICAL SURVEY <br /> <br />Dallas L. Peck, Director <br /> <br />For additional information <br />write to: <br /> <br />District Chief <br />D.S, Geological Survey <br />Water Resources Division <br />Box 25046, Mail Stop 415 <br />Federal Center <br />Denver, CO 80225-0046 <br /> <br />Copies of this report can <br />be purchased from: <br /> <br />D,S. Geological Survey <br />Books and Open-File Reports <br />Federal Center, Bldg. 810 <br />Box 25425 <br />Denver, CO 80225-0425 <br />