USGS IMAP 1020: Geologic map of the Iapygia Quadrangle of Mars
By Planetary Geologic Mapping
1977 (approx.)

Detailed Description
USGS IMAP 1020: Geologic map of the Iapygia Quadrangle of Mars
By G. G. Schaber
Map and associated documents available from the USGS Publications Warehouse: https://doi.org/10.3133/i1020
Sources/Usage
Public Domain.