TY  - RPRT
TI  - Location of geophysical field projects, Geologic Division, as of July 1, 1959
AU  - Geologic Division Staff
PY  - 1960
DO  - 10.3133/ofr60132
UR  - https://pubs.usgs.gov/publication/ofr60132
ID  - ofr60132
ER  -