TY  - RPRT
TI  - Description of techniques to drill, complete, and develop wells and to test and sample aquifers at a surface coal mine in northwestern Colorado
AU  - R.S. Williams
AU  - G. M. Clark
PY  - 1993
DO  - 10.3133/wri924067
UR  - https://pubs.usgs.gov/publication/wri924067
ID  - wri924067
ER  -