SHORTER CONTRIBUTIONS TO GENERAL GEOLOGY, 1934-1935; GEOLGICAL SURVEY PROFESSIONAL PAPER 185-A, B, C, D, E, F, G
Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1934. Hardcover. Very Good. Item #46503
Includes all seven papers; A] Studies on the Alkalinity of Some Silicate Minerals; B] Paleozoic Formations of the Mosquito Range, Colorado; C] The Recognizable Species of the Green River Flora; D] A Flora of Pottsville Age From the Mosquito Range, Colorado; E] Miocene Plants From Idaho; F] A Lower Lance Florule From Harding Countay, South Dakota; G] Halloysite and Allophane. 148 pages. All plates present. The seven papers staple bound by a previous owner into a single book with marbled boards and tan buckram spine. A very good copy.
Price: $25.00