TY - RPRT TI - Water-quality data analysis of the upper Gunnison River watershed, Colorado, 1989-99 AU - Jason J. Gurdak AU - Adrienne I. Greve AU - Norman E. Spahr PY - 2002 DO - 10.3133/wri024001 UR - https://pubs.usgs.gov/publication/wri024001 ID - wri024001 ER -