TY - GEN A2 - Zigler, J. L. A2 - Nimz, Kathryn A2 - Geological Survey (U.S.) A2 - United States. National Aeronautics and Space Administration A2 - Planetary Geology and Geophysics Program (U.S.) AU - Collins, Geoffrey Clark, author. CY - Reston, Va. L2 - https://purl.fdlp.gov/GPO/gpo46226 LA - English PB - [U.S. Department of the Interior, U.S. Geological Survey] PP - Reston, Va. PY - 2013 TI - Global geologic map of Ganymede ER -