Draft Environmental Impact Statement and Development Concept Plan: Fishing Bridge Developed Area, Yellowstone National Park. RobertBarbee. National Park Service, Yellowstone National Park, Wyoming 82190. September 1987. 306p
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2000 ◽
1984 ◽
Vol 8
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pp. 141-159
The Breeding Ecology of the Trumpeter Swan (Olor Buccinator Ricahrdson) In Yellowstone National Park
1977 ◽
Vol 1
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pp. 61-63
2000 ◽
1998 ◽
1992 ◽
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1981 ◽
Vol 5
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pp. 160-179