https://www.usgs.gov/media/images/usgs-imap-805-geologic-map-rumker-quadrangle-moon
USGS IMAP 805: Geologic map of the Rumker Quadrangle of the MoonBy D. H. Scott and R. E. EggletonMap and associated documents available from the USGS...
geologic mapusgsimaprumkerquadrangle