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<br />002;)81) <br /> <br />Draft <br /> <br />THE STATE OF NATURAL AND <br /> <br />CULTURAL RESOURCES IN THE <br /> <br />COLORADO RIvER ECOSYSTEM <br /> <br />u.s. DEPARTMENT OF TIIE INTERIOR <br />GRAND CANYON MONITORING AND REsEARCH CENTER <br />FLAGSTAFF, AZ <br /> <br />NOVEMBER 1997 <br /> <br />. <br />