TY  - RPRT
TI  - Survey of helium in natural water wells and springs in Southwest Montana and Imperial Valley, California; Part VI, Jan. 1 - Dec. 31, 1983
AU  - W. P. Doering
AU  - Irving Friedman
PY  - 1984
DO  - 10.3133/ofr84422
UR  - https://pubs.usgs.gov/publication/ofr84422
ID  - ofr84422
ER  -