Original 1899 Geological Survey Geologic Atlas of the United States, Charles D. Walcott, Director.
21-3/4" x 18-1/2"
 
State of WYOMING "ABSAROKA & ISHAWOOA" Quadrangles.
Library Edition, engraved & printed by the U.S. Geological Survey.
George W. Stose, Editor of Geologic Maps, S.J. Kubel, Chief Engraver, dated 1899.
Includes: Descriptions, Topography, Historical Geology, Columnar Sections & Special Illustrations.
Looks to be complete in good overall condition.