Geologic map of Cretaceous strata between Birch Creek and Brownes Creek, eastern flank of Pioneer Mountains, Beaverhead County, Montana / U.S. Department of the Interior, U.S. Geological Survey ; by R.G. Tysdal, T.S. Dyman, and S.E. Lewis
Series Titles:
Miscellaneous investigations series ; map I-2434 Miscellaneous investigations series (Geological Survey (U.S.)) ; map I-2434.
Variant Titles:
Cretaceous strata between Birch Creek and Brownes Creek, eastern flank of Pioneer Mountains, Beaverhead County, Montana