From 280 to 310 million years agoSee also what's at your library, or elsewhere.
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Filed under: From 280 to 310 million years ago Lower Permian cephalopods from the Texas Colorado River valley, A nautiloid cephalopod fauna from the Pennsylvanian Winterset limestone of Jackson County, Missouri. (University of Kansas Paleontological Institute, 1947), by A. K. Miller, A. G. Unklesbay, J. H. Lane, and Walter Youngquist (page images at HathiTrust) New form of Myalina (By Order of the Trustees of the American Museum of Natural History, 1902), by R. P. Whitfield and E. D. Cope (page images at HathiTrust) On some new genera and species of Pennsylvanian fossils from the Wewoka formation of Oklahoma (New York Academy of Sciences, 1911), by George Herbert Girty (page images at HathiTrust) Structural control on distribution of sedimentary facies in the Pennsylvanian Minturn Formation of north-central Colorado (Washington, D.C. : United States Government Printing Office, 1991., 1991), by Karen J. Houck and Geological Survey (U.S.) (page images at HathiTrust) Stratigraphic correlations between the Eagle Valley Evaporite and Minturn Formation, Eagle Basin, northwest Colorado (Washington, D.C. : United States Government Printing Office, 1992., 1992), by Christopher J. Schenk and Geological Survey (U.S.) (page images at HathiTrust) Organic geochemistry of black shales, marlstones, and oils of middle Pennsylvanian rocks from the northern Denver and southeastern Powder River Basins, Nebraska and Wyoming (U.S. G.P.O. ;, 1992), by J. L. Clayton, M. Dawson, G.E. Michael, P.G. Lillis, T.A. Daws, A. Warden, and Geological Survey (U.S.) (page images at HathiTrust) Palynology and its relationship to climatically induced depositional cycles in the Middle Pennsylvanian (Desmoinesian) Paradox Formation of southeastern Utah (U.S. G.P.O. ;, 1996), by Bruce F. Rueger and Geological Survey (U.S.) (page images at HathiTrust) Palynology of part of the Paradox and Honaker Trail formations, Paradox Basin, Utah (U.S. G.P.O. :, 1995), by Robert M. Kosanke and Geological Survey (U.S.) (page images at HathiTrust) Bromine geochemistry, middle Pennsylvanian Paradox FM., Utah and Colorado (U.S. G.P.O. ;, 1996), by Omer B. Raup, R. J. Hite, and Geological Survey (U.S.) (page images at HathiTrust) Geochemistry of two interbeds in the Pennsylvanian Paradox Formation, Utah and Colorado : a record of deposition and diagenesis of repetitive cycles in a marine basin (U.S. G.P.O. :, 1996), by M. L. Tuttle, George N. Breit, Mark Richardson, T. R. Klett, and Geological Survey (U.S.) (page images at HathiTrust) Distribution of uranium in rocks of Pennsylvanian age in northeastern Oklahoma, southeastern Kansas, and western Missouri (U.S. Dept. of the Interior, Geological Survey, 1958), by Walter Danilchik, H. J. Hyden, U.S. Atomic Energy Commission. Division of Raw Materials, and Geological Survey (U.S.) (page images at HathiTrust) Subsurface geology and coal resources of the Pennsylvanian system in Wabash County, Illinois (Illinois State Geological Survey, 1955), by Gilbert H. Cady (page images at HathiTrust) Patterns of diagenesis in Lower and Middle Pennsylvanian sandstones of the Illinois Basin, Illinois, Indiana, and Kentucky (United States Government Printing Office, 1996), by Paula L. Hansley (page images at HathiTrust) Pennsylvanian marine banks in southeastern Kansas (Lawrence, Kan. : State Geological Survey of Kansas, University of Kansas, 1965., 1965), by John Warvelle Harbaugh, Kan.) Geological Society of America. Annual Meeting (1965 : Kansas City, and Kansas Geological Survey (page images at HathiTrust) Tentative program for 3 day field conference on Pennsylvanian stratographic correlation and problems of cyclical sedimentation in Western Illinois : October 12-14 1929. ([Urbana, Illinois] : [publisher not identified], [1929], 1929), by H. R. Wanless (page images at HathiTrust)
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