TY  - RPRT
TI  - History of the Colorado-Wyoming state line diatremes
AU  - D. S. Collins
AU  - A. V. Heyl
PY  - 2016
DO  - 10.1080/00357529.1984.11764440
UR  - https://pubs.usgs.gov/publication/70013277
ID  - 70013277
ER  -