https://www.usgs.gov/publications/scanning-and-georeferencing-historical-usgs-quadrangles-0
Scanning and georeferencing historical USGS quadrangles | U.S. Geological Survey
The USGS Historical Quadrangle Scanning Project (HQSP) is scanning all scales and all editions of approximately 250,000 topographic maps published by the U.S....
usgs quadranglesscanninggeoreferencinghistoricalgeological
https://www.usgs.gov/media/images/inset-usgs-imap-2208-geologic-map-mtm-25057-and-25052-quadrangles-kasei-valles-region
INSET: USGS IMAP 2208: Geologic map of the MTM 25057 and 25052 quadrangles, Kasei Valles region of...
Inset of USGS IMAP 2208: Geologic map of the MTM 25057 and 25052 quadrangles, Kasei Valles region of MarsBy D. H. ScottMap and associated documents available...