TY  - RPRT
TI  - Geologic map of the Hillsboro Quadrangle, Sierra and Grant counties, New Mexico
AU  - David Carl Hedlund
PY  - 1975
DO  - 10.3133/ofr75108
UR  - https://pubs.usgs.gov/publication/ofr75108
ID  - ofr75108
ER  -