TY - RPRT TI - Central Valles Marineris: uncontrolled Mars Global Surveyor (MGS) Mars Orbital Camera (MOC) digital context photomosaic (250 megapixel resolution) AU - Eric Noreen PY - 2000 DO - 10.3133/ofr00374 UR - https://pubs.usgs.gov/publication/ofr00374 ID - ofr00374 ER -