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Effect of water quality on survival of Lahontan cutthroat trout eggs in the Truckee River, west-central Nevada and eastern California / by Ray J. Hoffman, G. Gary Scoppettone ; prepared in cooperation with the U.S. Fish and Wildlife Service and the U.S. Bureau of Indian Affairs (U.S. Geological Survey water-supply paper ; 2319)

Effect of water quality on survival of Lahontan cutthroat trout eggs in the Truckee River, west-central Nevada and eastern California / by Ray J. Hoffman, G. Gary Scoppettone ; prepared in cooperation with the U.S. Fish and Wildlife Service and the U.S. Bureau of Indian Affairs (U.S. Geological Survey water-supply paper ; 2319)
マイクロ図書
1988<YCA-I 19.13:2319>
国立国会図書館
  • 著者標目Hoffman, Ray J Scoppettone, Gary Geological ...

Water quality in the Merced River above and below the El Portal Sewage Treatment Plant near Yosemite National Park, California, 1975-77 / by Ray J. Hoffman ; prepared in cooperation with the National Park Service (Open-file report ; 76-679)

Water quality in the Merced River above and below the El Portal Sewage Treatment Plant near Yosemite National Park, California, 1975-77 / by Ray J. Hoffman ; prepared in cooperation with the National Park Service (Open-file report ; 76-679)
マイクロ図書
1979<YCA-I 19.76:79-679>
国立国会図書館
  • 著者標目Hoffman, Ray J United States. National Park ...

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