|astronautix.com||First photo-geological survey of the surface of the moon|
Secretary of the Interior Fred A. Seaton and Secretary of the Army Wilber M. Brucker announced that the U.S. Geological Survey had completed the first known photogeological survey of the surface of the moon.
The study, part of a program to select lunar landing sites for manned and unmanned spacecraft, consisted of three diagrams, all showing the visible face of the moon at 36 inches diameter. These diagrams depicted, respectively, the physiographic lunar regions, naming features on the moon's surface ; a generalized photogeologic map giving the age of craters and structural features; and the prominent lunar rays. References: 16 .