TY  - RPRT
TI  - Soil-gas helium and radon data from parts of west-central Ventura County, California
AU  - C.G. Bowles
AU  - G.M. Reimer
PY  - 2001
DO  - 10.3133/ofr01462
UR  - https://pubs.usgs.gov/publication/ofr01462
ID  - ofr01462
ER  -