TY  - RPRT
TI  - Principal facts for 1220 gravity stations in Los Angeles 1 degree by 2 degree quadrangle, California
AU  - William F. Hanna
AU  - Robert Sikora
PY  - 1973
DO  - 10.3133/ofr7399
UR  - https://pubs.usgs.gov/publication/ofr7399
ID  - ofr7399
ER  -