TY  - RPRT
TI  - Isotopic data for Late Cretaceous intrusions and associated altered and mineralized rocks in the Big Belt Mountains, Montana
AU  - Edward A. du Bray
AU  - Daniel M. Unruh
AU  - Albert H. Hofstra
PY  - 2017
DO  - 10.3133/ds1040
UR  - https://pubs.usgs.gov/publication/ds1040
ID  - ds1040
ER  -