TY  - RPRT
TI  - Niobium and gold distribution, Monticello and Sierra quadrangles, Socorro and Sierra Counties, New Mexico
AU  - W. R. Griffitts
AU  - H. V. Alminas
AU  - E. L. Mosier
PY  - 1972
DO  - 10.3133/ofr72142
UR  - https://pubs.usgs.gov/publication/ofr72142
ID  - ofr72142
ER  -