The Online Books Page

Books by Gilbert Carl Bortleson:

Books in the extended shelves:

• Bortleson, Gilbert Carl, 1940-: The chemical investigation of Recent lake sediments from Wisconsin lakes and their interpretation (U.S. Environmental Protection Agency; for sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1972), also by United States Environmental Protection Agency (page images at HathiTrust)
• Bortleson, Gilbert Carl, 1940-: Controls on ground-water chemistry in the Horse Heaven Hills, south-central Washington (U.S. Dept. of Interior, Geological Survey ;, 1985), also by W. C. Steinkampf, F. A. Packard, Geological Survey (U.S.), and Washington (State). Department of Ecology (page images at HathiTrust)
• Bortleson, Gilbert Carl, 1940-: Occurrence of dissolved sodium in ground waters in basalts underlying the Columbia Plateau, Washington (U.S. Dept. of the Interior, Geological Survey ;, 1986), also by Stephen E. Cox, Geological Survey (U.S.), and Washington (State). Department of Ecology (page images at HathiTrust)
• Bortleson, Gilbert Carl, 1940-: Occurrence of pesticides in streams and ground water in the Puget Sound Basin, Washington, and British Columbia, 1996-98 (U.S. Dept. of the Interior, U.S. Geological Survey ;, 2000), also by J. C. Ebbert and Geological Survey (U.S.) (page images at HathiTrust)
• Bortleson, Gilbert Carl, 1940-: Preferred and observed conditions for sockeye salmon in Ozette Lake and its tributaries, Clallam County, Washington (U.S. Dept. of the Interior, Geological Survey, 1979), also by N. P. Dion, Washington Makah Indian Tribe of the Makah Indian Reservation, and Geological Survey (U.S.) (page images at HathiTrust)
• Bortleson, Gilbert Carl, 1940-: Reconnaissance data on lakes in Washington (Dept. of Ecology, 1976), also by Geological Survey (U.S.) and Washington (State). Department of Ecology (page images at HathiTrust)
• Bortleson, Gilbert Carl, 1940-: A review of possible causes of nutrient enrichment and decline of endangered sucker populations in Upper Klamath Lake, Oregon (U.S. Geological Survey ;, 1993), also by M. O. Fretwell, Klamath Tribe, and Geological Survey (U.S.) (page images at HathiTrust)
• Bortleson, Gilbert Carl, 1940-: Sediment-quality assessment of Franklin D. Roosevelt Lake and the upstream reach of the Columbia River, Washington, 1992 (U.S. Geological Survey ;, 2001), also by United States Environmental Protection Agency and Geological Survey (U.S.) (page images at HathiTrust)
• Bortleson, Gilbert Carl, 1940-: U.S. Department of the Interior, U.S. Geological Survey, National Water-Quality Assessment Program (U.S. Geological Survey, 1997), also by Dale Davis, Geological Survey (U.S.), and National Water-Quality Assessment Program (U.S.) (page images at HathiTrust)

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