Pennsylvanian and associated rocks in Wyoming Mallory, William W. (William Wyman) 1917- creator author. Geological Survey (U.S.) issuing body. text bibliography dcu 1967 monographic eng remote 1 online resource (iv, G31 pages) : illustrations, maps + 3 plates. by William W. Mallory. Title from title screen (viewed September 24, 2014). "A regional study of the extent, thickness, lithology, and stratigraphic relations of the Tensleep, Amsden, Casper, and Fountain Formations, with emphasis on origin, paleogeography, and paleotectonic implications." Includes bibliographical references (pages G30-G31). n-us-wy Geology Wyoming Geology, Stratigraphic Pennsylvanian Geology Geology, Stratigraphic Pennsylvanian Geologic Period Wyoming From 280 to 310 million years ago fast I 19.16:554-G I 19.16:554-G Pennsylvanian and associated rocks in Wyoming Mallory, William W. (William Wyman), 1917-. (DLC) 71604956 (OCoLC)60920 Geological Survey professional paper ; 554-G Shorter contributions to general geology https://purl.fdlp.gov/GPO/gpo81756 COP 140929 20211120182357.0 in00003888085 eng