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By: Heidel, Bonnie L. - Montana Natural Heritage Program. - United States. Bureau of Land Management. - United States. Bureau of Land Management. Great Falls Resource Area.Edition:Publication info: Helena, Mont, Montana Natural Heritage Program, c1994Volume: 1994Series:Holding Institution: Montana State LibrarySubjects: Botany Cascade County Lewis and Clark County Montana Psoralea hypogaea Rare plantsBHL Collections: