Trends in selected water-quality characteristics, Flathead River at Flathead, British Columbia, and at Columbia Falls, Montana, water years, 1975-86 /
by Lawrence E. Cary ; prepared in cooperation with the Montana Department of Natural Resources and Conservation.

APA Citation

Cary, L. E., Geological Survey (U.S.)., Montana. Department of Natural Resources and Conservation. (1989). Trends in selected water-quality characteristics, Flathead River at Flathead, British Columbia, and at Columbia Falls, Montana, water years, 1975-86. Helena, Mont.: Dept. of the Interior, U.S. Geological Survey .

MLA Citation

Cary, Lawrence E, Geological Survey (U.S.), and Montana. Department of Natural Resources and Conservation. Trends In Selected Water-quality Characteristics, Flathead River At Flathead, British Columbia, And At Columbia Falls, Montana, Water Years, 1975-86. Helena, Mont.: Dept. of the Interior, U.S. Geological Survey , 1989.