TY  - RPRT
TI  - Principal facts and base station descriptions for gravity data compiled for the Santa Ana 1 degree by 2 degrees Quadrangle, California
AU  - R. F. Sikora
AU  - V.E. Langenheim
AU  - Shawn Biehler
AU  - L. A. Beyer
AU  - R. H. Chapman
PY  - 1993
DO  - 10.3133/ofr93217a
UR  - https://pubs.usgs.gov/publication/ofr93217A
ID  - ofr93217A
ER  -