The Online Books Page

Online Books by

Gilbert Carl Bortleson

(Bortleson, Gilbert Carl, 1940-)

Books from the extended shelves:

• Bortleson, Gilbert Carl, 1940-: The chemical investigation of recent lake sediments from Wisconsin lakes and their interpretation. (1970) (page images at HathiTrust; US access only)
• Bortleson, Gilbert Carl, 1940-: The chemical investigation of Recent lake sediments from Wisconsin lakes and their interpretation, (Washington, U.S. Environmental Protection Agency; for sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1971 [i.e. 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 / (Tacoma, Wash. : U.S. Dept. of Interior, Geological Survey ; Lakewood, Colo. : Open-File Services Station, Western Distribution Branch, 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 / (Tacoma, Wash. : U.S. Dept. of the Interior, Geological Survey ; Denver, Colo. : Open-File Services Section, Western Distribution Branch, 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 / (Tacoma, Wash. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : Information Services [distributor], 2000), also by J. C. Ebbert and Geological Survey (U.S.) (page images at HathiTrust)
• Bortleson, Gilbert Carl, 1940-: Pesticides in selected small streams in the Puget Sound Basin, 1987-1995 / ([Tacoma, WA] : 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)
• Bortleson, Gilbert Carl, 1940-: Preferred and observed conditions for sockeye salmon in Ozette Lake and its tributaries, Clallam County, Washington / (Tacoma, Wash. : 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 / (Tacoma, Wash. : Dept. of Ecology, 1976), also by Geological Survey (U.S.) and Washington (State). Department of Ecology (page images at HathiTrust; US access only)
• Bortleson, Gilbert Carl, 1940-: A review of possible causes of nutrient enrichment and decline of endangered sucker populations in Upper Klamath Lake, Oregon / (Portland, Or. : U.S. Geological Survey ; Denver, Colo. : Earth Science Information Center, Open-File Reports Section [distributor], 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 / (Reston, Va. : U.S. Geological Survey ; Denver, CO : For sale by the U.S. Geological Survey, Map Distribution, 2001), also by United States. Environmental Protection Agency and Geological Survey (U.S.) (page images at HathiTrust)

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