Preliminary analysis for trends in selected water-quality characteristics, Powder River, Montana and Wyoming, water years 1952-85 /
by Lawrence E. Cary ; prepared in cooperation with the Montana Department of Natural Resources and Conservation.
|Main Author:||Cary, Lawrence E.|
Helena, Mont. : Dept. of the Interior, U.S. Geological Survey ; 1989.
Water quality > Water quality / Powder River (Wyo. and Mont.)
United States > United States / Powder River.
Shipping list no.: 89-568-P.
iv, 25 pages :
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