USGS IMAP 1934: Geologic map of the Uruk Sulcus Quadrangle of Ganymede

By Planetary Geologic Mapping 1988 (approx.)

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By J. E. Guest, Remo Bianchi, and Ronald Greeley

Map and associated documents available from the USGS Publications Warehouse: https://doi.org/10.3133/i1934

Public Domain.