TY  - RPRT
TI  - Diatremes with kimberlitic affinities in north-central Montana
AU  - B. C. Hearn
PY  - 1968
DO  - 10.1126/science.159.3815.622
UR  - https://pubs.usgs.gov/publication/70011641
ID  - 70011641
ER  -