The Online Books Page

Books by Samuel G. Unger:

Books in the extended shelves:

• Unger, Samuel G.: Bibliography of water pollution control benefits and costs : prepared for Office of Research and Development, U.S. Environmental Protection Agency (distributed by National Technical Information Service, 1974), also by David L. Jordening and United States. Environmental Protection Agency. Office of Research and Development (page images at HathiTrust)
• Unger, Samuel G: Bibliography of water pollution control benefits and costs : prepared for Office of Research and Development, U.S. Environmental Protection Agency (Office of Research and Development, U.S. Environmental Protection Agency :, 1974), also by David L. Jordening and United States. Environmental Protection Agency. Office of Research and Development (page images at HathiTrust)
• Unger, Samuel G.: Environmental implications of trends in agriculture and silviculture (Environmental Protection Agency, Office of Research and Development, Environmental Research Laboratory ;, 1978), also by Ga.) Environmental Research Laboratory (Athens (page images at HathiTrust)
• Unger, Samuel G.: Regional crop production trends (Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency ;, 1979), also by Ga.) Environmental Research Laboratory (Athens (page images at HathiTrust)
• Unger, Samuel G.: State-of-art review: water pollution control benefits and costs (Office of Research and Monitoring, U. S. Environmental Protection Agency, 1973), also by David L. Jordening, M. Jarvin Emerson, and United States. Environmental Protection Agency. Office of Research and Monitoring (page images at HathiTrust)
• Unger, Samuel G.: State-of-Art review: water pollution control benefits and costs (Washington, D. C. : U.S. Environmental Protection Agency, Office of Research and Development, 1973., 1973), also by David L. Jordening, James K. Allwood, United States. Environmental Protection Agency. Office of Research and Development, and United States. Environmental Protection Agency. Office of Research and Monitoring (page images at HathiTrust)
• Unger, Samuel G.: Water pollution control benefits and costs. (For sale by the Supt. of Docs., U.S. Govt. Print. Off., 1973), also by James K. Allwood, David L. Jordening, M. Jarvin Emerson, and United States. Environmental Protection Agency. Office of Research and Monitoring (page images at HathiTrust)

Find more by Samuel G. Unger at your library, or elsewhere.