Home › Authors › H. R. Crohurst 👤 H. R. Crohurst b. 1884 ยท 3 books Books by H. R. Crohurst A study of the pollution and n A study of the pollution and natural purification of the Upper Mississippi River 1932 Report of an investigation of Report of an investigation of the pollution of Lake Michigan in the vicinity of South Chicago and the Calumet and Indiana Harbors, 1924-1925 1927 Municipal wastes 1920
