Ganczarczyk, J. creator Graves, Quintin B. United States Environmental Protection Agency. Office of Research and Monitoring. text Washington U.S. Environmental Protection Agency]; for sale by the Supt. of Docs., U.S. Govt. Print. Off. 1971 [i.e 1972] monographic

print

xiv, 176p. illus. 28cm. by Oklahoma State University, College of Engineering, School of Civil Engineering. [Authors: Q. B. Graves and others. "[Prepared] for the Office of Research and Monitoring, Environmental Protection Agency." Supt. of Docs.no: EP 1.16:17070DAU12/71. Bibliography: p. 171-172. Sewage sludge Sewage Purification Aeration 20230123124940.0