TY  - RPRT
TI  - Sources and migration pathways of natural gas in near-surface ground water beneath the Animas River valley, Colorado and New Mexico
AU  - Daniel T. Chafin
PY  - 1994
DO  - 10.3133/wri944006
UR  - https://pubs.usgs.gov/publication/wri944006
ID  - wri944006
ER  -