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2
Deschutes River, Oregon and its utilization, by F.F. Hensha..
United States congressional serial set ; serial set no. 6679;House document / 63rd Congress, 2nd session. House ; no. 945
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Quality of the surface waters of Oregon by Walton Van Winkl..
United States congressional serial set ; serial set no. 6688;House document / 63rd Congress, 2nd session. House ; no. 1081