TY  - RPRT
TI  - Background information to accompany folio of geologic, mineral resource, geochemical, aeromagnetic, and gravity maps of the Hillsboro and San Lorenzo quadrangles, Sierra and Grant Counties, New Mexico, with sections on geochemistry and geophysics
AU  - David Carl Hedlund
AU  - K. C. Watts
AU  - Henry V. Alminas
AU  - Jeffrey C. Wynn
PY  - 1979
DO  - 10.3133/cir808
UR  - https://pubs.usgs.gov/publication/cir808
ID  - cir808
ER  -