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