TY  - RPRT
TI  - Geochronological data for the Pioneer Mountains, southwestern Montana; Part I, 40Ar/39Ar age-spectrum and conventional K/Ar dates for unaltered plutons
AU  - L.W. Snee
AU  - J. F. Sutter
PY  - 1982
DO  - 10.3133/ofr82961
UR  - https://pubs.usgs.gov/publication/ofr82961
ID  - ofr82961
ER  -