Author: Williams, Henry / Butler, B. / Stephenson, Lloyd.
Title: Recurrent Tropidoleptus Zones of the Upper Devonian in New York + Geology and Ore Deposits of the San Francisco and Adjacent Districts Utah + Cretaceous Deposits of the Eastern Gulf Region and Species of Exogira...
Description: Washington., Government Printing Office., 1913. 29 x 23 cms, 103 p, 6 plates + 212 p., numerous plates and maps + 77 pages, 9 plates. Bound in contemp. boards. Paper 79 loose in binding. Exlibris: Univ. Lund. lara U. S. Geological Survey, Professional Paper; 79 + 80 + 81.

Keywords: geology. America North