Washington, DC: United States Geological Survey / USGS / Government Printing Office / GPO, 1963. Soft cover. A description of the rocks exposed in the gorge of the Potomac River below Great Falls, with a discussion of their structureal and metamorphic history. 16 pages with photographs, illustrations and references plus..... More
Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1942. Soft cover. Pages 105 through 138 with the required four folded maps present, two in the rear pocket and two bound in. Bound in original gray paper covers printed in black. Signature of geologist Olaf P. Jenkins on the front cover..... More
Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1963. Hardcover. Chapter titles are, A] Theriosynoecum wyomingense (Branson, 1935), a possible guide Ostracode to the Salt Wash Member of the Morrison Formation; B] Geology of the Linville Falls quadrangle, North Carolina; C] Nonopaque heavy minerals in sandstone of Jurassic and Cretaceous..... More
