From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). From Slides #1550 through 1557. Newspaper title text: “U.S. Warns Soviets It May Drop Curb on Atomic Tests.”.

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). From Slides #1550 through 1557. Newspaper title text: “Atom Blast in Russia Disclosed; Truman Again Asks U.N. Control; Vishinsky Proposes a Peace Pact”.

A view of Howard Hughes attending an informal press conference in Culver City, California, after Hughes left the Senate War Investigating Subcommittee hearing in Washington.

A view of Howard Hughes attending an informal press conference in Culver City, California, after Hughes left the Senate War Investigating Subcommittee hearing in Washington.

A view of Howard Hughes attending an informal press conference in Culver City, California, after Hughes left the Senate War Investigating Subcommittee hearing in Washington.

A view of Howard Hughes attending an informal press conference in Culver City, California, after Hughes left the Senate War Investigating Subcommittee hearing in Washington.

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.