TY  - RPRT
TI  - Geologic map of the Hillsboro and San Lorenzo Quadrangle, Sierra and Grant counties, New Mexico
AU  - D. C. Hedlund
PY  - 1977
DO  - 10.3133/mf900a
UR  - https://pubs.usgs.gov/publication/mf900A
ID  - mf900A
ER  -