Bibliography of North American GeologyU.S. Government Printing Office, 1927 - Geology |
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13 figs 9 figs abstract Alberta America April April-May Arizona Arkansas Assoc August British Columbia Bulletin Cambrian Canada Canadian Inst Carnegie Inst coal Colorado copper County Creek Cretaceous December deposits Devonian district Econ Eocene fauna February figs formation fossil Geological Survey Geology gold Hist Idaho Illinois State Acad incl Iowa Acad January January-February Jour Jour.-Press July July-August June Kentucky Keyes Lake limestone March 30 Maryland May-June Mexico Michigan Mineral Resources Mineralogist Mining and Metallurgy Miocene Mississippian Missouri Montana Monthly Bull Nevada November October Ohio Oklahoma Oklahoma Acad Oligocene Ontario Ordovician Pan-Am Pennsylvanian Permian Petroleum Geologists Pleistocene portr pre-Cambrian preprint Proc Quebec Reger Report Rept River rocks sandstone Science Seismol September September-October shale Silurian Stose stratigraphy Summ Swartz terrane Tertiary Texas Toronto Trans Triassic U. S. Geol U. S. Nat Univ Utah Vaughan Vermont Washington Acad West Virginia Wilson Wyoming York