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Author
Hills, R. C. (Richard Charles), 1848-1923. (1)
SubjectCretaceous - Laramie formation; Trinidad formation; Pierre shale; Apishapa formation; Timpas formation; Carlile shale; Greenhorn limestone; Graneros shale; Dakota sandstone (1)
Geology -- Colorado -- Las Animas County -- Maps (1)
Geology -- United States --Maps (1)Neogene - Nussbaum formation (1)
Paleogene - unnamed strata (1)
... View MoreDate Issued
1899 (1)
Type
Book (1)
Image (1)Map (1)Has File(s)Yes (1)