TY  - RPRT
TI  - Geologic map and sections of the Joyita Hills area, Socorro County, New Mexico (with emphasis on Tertiary volcanic rocks)
AU  - Ernest J. Spradlin
PY  - 1975
DO  - 10.3133/ofr75139
UR  - https://pubs.usgs.gov/publication/ofr75139
ID  - ofr75139
ER  -