39 x 50 cm. Relief shown by hachures and spot heights. "Issued May 7th 1877-2nd ed. June 30th, 1881." "Expeditions of 1878 and 1879 under the command of 1st. Lieut. Geo. M. Wheeler, Corp. of Engineers U.S. Army." "Weyss Herman & Lang Del." Prime meridians: Washington, D.C. and Greenwich Geological map Probably originally published as part of the geological atlas which is an appendix to the Surveys' Report upon United States geographical surveys west of the one hundredth meridian. "Prof. John J. Stevenson, geological assistant." "By order of the honorable the Secretary of War under the direction of Brig. General A. A. Hunphreys, Chief of Engineers, U. S. Army." Original publisher: U.S. Geographical Surveys West of the 100th Meridian, Scale: 1 inch to 4 miles or 1: 253440.

Description given with photo: "Hercules Fuselage Leaves Hangar, Calver City, Calif. - The hull of Howard Hughes' huge cargo flying boat, the Hercules, largest airplane in the world leaves hangar in the Culver City, Calif., plant to begin a 28-mile trip to Terminal Island, Calif., by truck and dolly. the 220-foot long hull-fuselage will follow the path of the wing sections to the graving dock where the air giant will be assembled. Credit Line (ACME) 6/16/46."

An overhead view of trees and buildings in Boulder City, Nevada; Boulder Dam Hotel, located at 1305 Arizona Street, can be seen in the background across the road from a building sign advertising "free Boulder Dam motion pictures."