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.
Howard Hughes (second from left) standing in front of the experimental helicopter XH-17, Flying Crane, with others (from left to right): Rea Hopper, Director of the Aeronautical Division, Hughes Aircraft Company; Hughes; Clyde Jones, Director of Engineering, Hughes Tool Company Aeronautical Division; Warren Reed, Assistant; Colonel Carl E. Jackson, Air Research and Development Headquarters, Baltimore; Gale J. Moore, Pilot; possibly Chal Bowen, Flight Engineer/Co-pilot, and an unidentified man, October 23, 1952.