Books by Leon S. Hughes:
Books in the extended shelves:
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Hughes, Leon S.: Chemical composition of Texas surface waters, 1960 (Texas Water Commission, 1962), also by Wanda Shelby and Geological Survey (U.S.) (page images at HathiTrust)- Hughes, Leon S.: Chemical composition of Texas surface waters, 1961 (Texas Water Commission, 1963), also by Wanda Shelby and Geological Survey (U.S.) (page images at HathiTrust)
- Hughes, Leon S.: Chemical composition of Texas surface waters, 1962 (Texas Water Commission, 1965), also by James F. Blakey and Geological Survey (U.S.) (page images at HathiTrust)
- Hughes, Leon S.: Chemical composition of Texas surface waters, 1963 (Texas Water Development Board, 1965), also by Donald K. Leifeste, Texas Water Development Board, and Geological Survey (U.S.) (page images at HathiTrust)
- Hughes, Leon S.: Reconnaissance of the chemical quality of surface waters of the Neches River Basin, Texas (Texas Water Development Board, 1965), also by Texas Water Development Board (page images at HathiTrust)
- Hughes, Leon S.: Reconnaissance of the chemical quality of surface waters of the San Jacinto River Basin, Texas (Texas Water Development Board, 1966), also by Jack Rawson, Texas Water Development Board, and Geological Survey (U.S.) (page images at HathiTrust)
- Hughes, Leon S.: Reconnaissance of the chemical quality of surface waters of the Trinity River Basin, Texas (Texas Water Development Board, 1967), also by Donald K. Leifeste, Texas Water Development Board, and Geological Survey (U.S.) (page images at HathiTrust)
- Hughes, Leon S.: Reconnaissance of the chemical quality of surface waters off the Red River Basin, Texas (Texas Water Development Board, 1971), also by Donald K. Leifeste, James F. Blakey, Texas Water Development Board, and Geological Survey (U.S.) (page images at HathiTrust)
- Hughes, Leon S.: Sources of saline water in the upper Brazos River Basin, Texas; progress report, June 1967 ([Washington?], 1968), also by Jack Rawson, Marvin W. Flugrath, United States Army Corps of Engineers, and Geological Survey (U.S.) (page images at HathiTrust)
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