USGS IMAP 691: Geologic map of the Schiller quadrangle of the Moon
1971 (approx.)
Detailed Description
USGS IMAP 691: Geologic map of the Schiller quadrangle of the Moon
By T. W. Offield
Map and associated documents available from the USGS Publications Warehouse: https://doi.org/10.3133/i691
Sources/Usage
Public Domain.