TY - RPRT TI - Climatologic, soil-water, ground-water, geologic, surface-water, and water-quality data for a surface coal mine in northwestern Colorado AU - R.S. Williams AU - G. M. Clark AU - N.E. Spahr PY - 1993 DO - 10.3133/ofr92122 UR - https://pubs.usgs.gov/publication/ofr92122 ID - ofr92122 ER -