TY  - RPRT
TI  - Survey of helium in natural water wells and springs in southwest Montana and vicinity, and Imperial Valley, California; Part IV, Jan. 1-Dec. 31, 1981
AU  - W. P. Doering
AU  - Irving Friedman
PY  - 1982
DO  - 10.3133/ofr82486
UR  - https://pubs.usgs.gov/publication/ofr82486
ID  - ofr82486
ER  -