TY  - RPRT
TI  - Memorandum on the ground-water resources of Pharr Mounds Historic Site, Natchez Trace Parkway, Mississippi
AU  - F.H. Thomson
PY  - 1969
DO  - 10.3133/ofr69281
UR  - https://pubs.usgs.gov/publication/ofr69281
ID  - ofr69281
ER  -