58 x 46 cm., on sheet 87 x 102 cm., folded in envelope 30 x 24 cm. Relief shown by contours and spot heights. "Contour interval 40 feet." "Base from U.S. Geological Survey 1:62,500. 1954." "Geology mapped in 1985 and 1988." Includes text, bibliography, 4 col. cross sections, and location and index maps. "Prepared in cooperation with the U. S. Atomic Commission." Original publisher: U. S. Geological Survey, Series: Miscellaneous investigations series, map I, Scale: 1:24 000.
Ashley Hall was born April 3, 1943 in Caliente, Nevada. After high school, he worked for the Union Pacific Railroad at the Nevada Test Site as a cashier and as a signalman. He later attended Brigham Young University and the University of Nevada, Reno. After college, Hall served the City of Las Vegas in significant ways. Notably, as City Manager he was instrumental in the initial development of Summerlin, Nevada. Though he has retired from local politics, he remains active as the President of the Old Spanish Trail Association and as the U.S. Army Reserve Ambassador.