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Fort Benton folio, Montana
(Geological Survey (United States), 1899)
Little Belt Mountains folio, Montana
(Geological Survey (United States), 1899)
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Author
Weed, Walter Harvey, 1862-1944. (2)
Subject
Archean - unnamed strata (2)
Cambrian - Barker formation (2)
Carboniferous - Quadrant formation; Madison limestone (2)
Devonian - Monarch formation (2)
Geology -- United States --Maps (2)
Geology--Montana--Maps (2)Jurassic - Ellis formation (2)Triassic - Ellis formation (2)Age/Period unspecified - Barker poryphyry; Pinto diorite; Heihart porphyry (1)Cretaceous - Livingston formation; Laramie formation; Yellowstone formation; Cascade formation (1)... View MoreDate Issued1899 (2)TypeBook (2)
Image (2)
Map (2)
Has File(s)Yes (2)