Pair of color Apollo 16 pre-mission geological maps of the Descartes region of the moon by Daniel J. Milton and Carroll Ann Hodges, published by the US Geological Survey in 1972. The first map, sheet 1, 37.75 x 21.5, scale 1: 250,000, displays the regional geologic setting of the Apollo 16 mission and classifies material as either pre-Imbrian, Imbrian System, Eratosthenian System, or Copernican System. The second map, sheet 2, 44 x 30.25, scale 1:50,000, shows a closer view of the geology of Descartes, with proposed landing site and the Stone and Smoky Mountains. Includes the original Department of the Interior, United States Geological Survey (Map I-748) storage folder. In fine, folded condition, with some creasing to upper portion of second map.
