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Population ecology of mule deer with emphasis on potential impacts of gas and oil development along the east slope of the Rocky Mountains, northcentral Montana

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By: Pac, Helga Ihsle, - Montana. Department of Fish, Wildlife, and Parks - United States. Bureau of Land Management.

Publication info: [Helena?, Mont, The Dept.?, 1982?]

Holding Institution: Montana State Library
Some population characteristics of the northern Yellowstone bison herd during the winter of 1988-1989

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By: Pac, Helga Ihsle, - Frey, Kevin. - Montana. Department of Fish, Wildlife, and Parks

Publication info: [Helena?], Montana Department of Fish, Wildlife & Parks, [1991]

Holding Institution: Montana State Library
Five year update of the programmatic environmental impact statement : the grizzly bear in northwestern Montana, 1986-1990

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By: Dood, Arnold R. - Pac, Helga Ihsle, - Montana. Department of Fish, Wildlife, and Parks

Publication info: [Helena], Montana Department of Fish, Wildlife and Parks, [1993]

Holding Institution: Montana State Library

Ecology of the Mule Deer, Odocoileus hemionus, along the east front of the Rocky Mountains, Montana Helga

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By: Pac, Helga Ihsle, - Kasworm, Wayne, - Irby, Lynn R. - Mackie, Richard J. (Richard John),

Type: Article

In: The Canadian field-naturalist

Volume: 102

Issue: 2

Date: 1988

Page Range: 227--236

Publication Info: Ottawa Ottawa Field-Naturalists' Club