Economic value of instream flow in Montana's big hole and Bitterroot rivers
Duffield, John W.
Economic value of instream flow in Montana's big hole and Bitterroot rivers by John W. Duffield - Colorado : United States Department of Agriculture , 1994 - 64p.
Forest service, Rocky mountain, Forest and Range, Experiment station, Research paper RM-317
Economics River steamers River conservation Stream ecology
333.7845 / DUF/E
Economic value of instream flow in Montana's big hole and Bitterroot rivers by John W. Duffield - Colorado : United States Department of Agriculture , 1994 - 64p.
Forest service, Rocky mountain, Forest and Range, Experiment station, Research paper RM-317
Economics River steamers River conservation Stream ecology
333.7845 / DUF/E
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