2 results filtered with: Potomac River
- Books
The Potomac River basin : geographic history - rainfall and stream flow - pollution, typhoid fever, and character of water - relation of soils and forest cover to quality and quantity of surface water - effect of industrial wastes on fishes / by Horatio N. Parker, Bailey Willis, R.H. Bolster, W.W. Ashe, and M.C. Marsh.
Parker, Horatio N. (Horatio Newton), 1871-1946.Date: 1907- Books
Investigation of the pollution and sanitary conditions of the Potomac watershed : with special reference to self purification and the sanitary condition of shellfish in the lower Potomac River / by Hugh S. Cumming. Plankton studies / by W.C. Purdy; and Hydrographic studies / by Homer P. Ritter.
Cumming, Hugh S. (Hugh Smith), 1869-1948.Date: 1916