Supporting information to the investigations reported in:
http://www.i2mconsultants.com/downloads/corp/JGG-2-023.pdf and
http://i2mconsultants.com/downloads/corp/Campbell2021IMAGE.pdf
Browse Version of the map: https://ngmdb.usgs.gov/Prodesc/proddesc_7836.htm
With reference citations.
1972 Mapping in area: https://i2mconsultants.com/downloads/corp/USGS_OF-72-256_1-prnt.pdf