USGS IMAP 2209: Geologic map of Io
By Planetary Geologic Mapping
1992 (approx.)
Detailed Description
USGS IMAP 2209: Geologic map of Io
By D. A. Crown, R. Greeley, R. A. Craddock, and G. G. Schaber
Map and associated documents available from the USGS Publications Warehouse: https://doi.org/10.3133/i2209
Sources/Usage
Public Domain.