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Rediscovery of Discus brunsoni Berry, 1955 and Oreohelix alpina (Elrod, 1901) in the Mission Mountains, Montana : with comments on Oreohelix elrodi (Pilsbry, 1900)

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By: Hendricks, P. - Hendricks, Paul. - Montana Natural Heritage Program.

Publication info: Helena, Mont, Montana Natural Heritage Program, [1997?]

Holding Institution: Montana State Library

Subjects: Mission Mountains Wilderness (Mont.) Oreohelix