Group of four geological maps of the moon focusing on Apollo landing regions, published by the U. S. Geological Survey between 1970 and 1972, and prepared in cooperation with NASA and the USAF Aeronautical Chart and Information Center, all folded and in their original sleeves. The collection includes: "Geologic Map of Apollo Landing Site 2 (Apollo 11)" (1970); "Geologic Maps of the Fra Mauro Region of the Moon: Apollo 14 Pre-Mission Maps" (1970); "Geologic Maps of the Descartes Region of the Moon: Apollo 16 Pre-Mission Maps" (1972); and "Geologic Maps of the Taurus-Littrow Region of the Moon: Apollo 17 Pre-Mission Maps" (1972). In overall fine condition.
