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<br />QOQc\ <br /> <br />REC-ERC-81-1 5 <br /> <br />HEAVY METALS POLLUTION OF THE UPPER <br />ARKANSAS RIVER. COLORADO. AND ITS EFFECTS <br />ON THE DISTRIBUTION OF THE AOUATIC MACROFAUNA <br /> <br />by <br />Richard A. Roline <br />John R. Boehmke <br /> <br />September 1981 <br /> <br />Applied Sciences Branch <br />Division of General Research <br />Engineering and Research Center <br />Denver, Colorado <br /> <br />IMM <br />~ <br />SJIoIETRIC <br /> <br />UNITED STATES DEPARTMENT OF THE INTERIOR <br /> <br />* <br /> <br />BUREAU OF RECLAMATION <br />