31. Estimated use of water in the U.S, 1955. Geological Survey (U.S.) [Washington] : [publisher not identified], 1957. Book Online
32. Floods in Alabama : Magnitude and frequency. Geological Survey (U.S.) [Washington] : [publisher not identified], 1954. Book Online
33. Records of wells drilled for oil and gas in New Mexico. Geological Survey (U.S.) [Washington] : [publisher not identified], 1954. Book Online
34. Water and the conservation movement. Geological Survey (U.S.) [Washington] : [publisher not identified], 1958. Book Online
35. Index of surface-water records to Sept. 30, 1955, part 7, Lower Mississippi River basin. Geological Survey (U.S.) [Washington] : [publisher not identified], 1956. Book Online
36. Public and industrial water supplies of the eastern coal field region, Kentucky. Geological Survey (U.S.) [Washington] : [publisher not identified], 1956. Book Online
37. Stratigraphic sections of the Phosphoria formation in Montana, 1949-50, part 2. Geological Survey (U.S.) [Washington] : [publisher not identified], 1953. Book Online
38. Stratigraphic sections of the Phosphoria formation in Wyoming, 1951. Geological Survey (U.S.) [Washington] : [publisher not identified], 1954. Book Online
39. Water resources of the New Orleans area, Louisiana. Geological Survey (U.S.) [Washington] : [publisher not identified], 1956. Book Online
40. Reconnaissance for radioactive deposits in east-central Alaska, 1949. Geological Survey (U.S.) [Washington] : [publisher not identified], 1954. Book Online