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Introduction to the Geology of Northwestern Colorado
The Geologic Development of Northwestern Colorado
History of Exploration and Development for Oil and Gas in Northwestern Colorado by A E Brainerd
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10th Ann Amer anticline barrels beds Belden Canyon cliff coal Colo Craig Creek anticline Creek field Cumulative production Dakota Danforth Hills Denver deposits discovery dome Douglas Creek east Entrada exploration factor fault Field Conf flank fracture framework gas fields geologic Geologists Green River formation Guidebook hole hydrodynamic Jurassic Limestone lles located Mancos Shale Mesa Mesaverde Mesaverde group miles Minturn Moffat County Morapos Morrison Niobrara Northwest Colorado northwestern Colorado oil and gas Oil Company oil shale Paleozoic Pennsylvanian permeability Petrol Petroleum Piceance basin Piceance Creek pipeline porosity Precambrian primary void-filler rado reservoir Rio Blanco County road cut rocks Rocky Mountain Assoc Routt Routt County Sand Wash basin Sawatch secondary cementation sediments Shinarump Shut-In slope stratigraphic stratigraphic traps structural subsurface surface Survey Bull Tertiary tion U. S. Geol Uinta Mountains Utah valley Wasatch formation Wyoming Wyoming Geol Yampa zone