TY - RPRT TI - Application of techniques to identify coal-mine and power-generation effects on surface-water quality, San Juan River basin, New Mexico and Colorado AU - C. L. Goetz AU - Cynthia G. Abeyta AU - E.V. Thomas PY - 1987 DO - 10.3133/wri864076 UR - https://pubs.usgs.gov/publication/wri864076 ID - wri864076 ER -