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Blackwelder, Eliot, b. 1880. (1)
Darton, Nelson Horatio, 1865-1948. (1)
Siebenthal, Claude Ellsworth 1869-1930. (1)Subject
Carboniferous - Forelle limestone; Satanka shale; Casper formation (1)
Cretaceous - Mesaverde formation; Steele shale; Niobrara limestone; Benton shale; Cloverly formation; Fox Hills sandstone; Pierre shale; Morrison formation (1)Geology -- United States --Maps (1)Geology -- Wyoming -- Maps (1)Jurassic - Morrison formation; Sundance formation (1)Neogene - Arikaree formation; Brule clay; Chadron sandstone (1)
Paleogene - Arikaree formation; Brule clay; Chadron sandstone (1)
Permian - Chugwater formation (1)Pre-Cambrian - Sherman granite (1)Triassic - Chugwater formation (1)... View MoreDate Issued1910 (1)Type
Book (1)
Image (1)
Map (1)
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