The Potomac river basin
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Bibliographic Information
The Potomac river basin
(United States. Geological survey, . Water-supply and irrigation paper ; no. 192)
Government Printing Office, 1907
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Note
"Geographic history--rainfall and stream flow--pollution, typhoid fever, and character of water--relation of soils and forest cover to quailty and quantity of surface water--effect of industrial wates of fishes"
Includes index
