Quality of Surface Waters of the United States (Parts 7 & 8)

Quality of Surface Waters of the United States (Parts 7 & 8) USGS, 1958, (WSP-1573), 588 pp., 6" x 9", the quality-of-water investigations of the United States Geological Survey are concerned with chemical and physical characteristics of the surface and ground water supplies of the Nation.
Available as an un-bound B & W copy.  Please allow time for production.