TY - BOOK T1 - The contributions of Ranger photographs to understanding the geology of the Moon, DA - 1972. CY - Washington, AU - Trask, N. J. VL - 599-J CN - QE75 CN - QE75 CN - QB592 PB - U.S. Govt. Print. Off., PP - Washington, PY - 1972. N1 - Prepared on behalf of the National Aeronautics and Space Administration. ID - 226383 KW - Lunar geology. KW - Project Ranger. TI - The contributions of Ranger photographs to understanding the geology of the Moon, ER -