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AuthorRichardson, G. B. (George Burr), 1872-1949. (1)Subject
Cambrian - Sawatch sandstone (1)
Carboniferous - Lykins formation; Lyons sandstone; Fountain formation; Millsap limestone (1)Cretaceous - Laramie formation; Pierre shale; Fox Hills sandstone; Benton formation; Niobrara formation; Dakota sandstone; Purgatoire formation; Morrison formation (1)
Geology -- United States --Maps (1)
Geology--Colorado--Douglas County--Maps (1)Geology--Colorado--El Paso County--Maps (1)Geology--Colorado--Elbert County--Maps (1)Jurassic - Morrison formation (1)Neogene - Castle Rock conglomerate; Dawson arkose (1)Ordovician - Manitou limestone (1)... View MoreDate Issued
1915 (1)
Type
Book (1)
Image (1)Map (1)Has File(s)Yes (1)