TY - RPRT TI - Water-quality assessment of the Rio Grande Valley, Colorado, New Mexico, and Texas: Summary and analysis of water-quality data for the basic-fixed-site network, 1993-95 AU - D. F. Healy PY - 1997 DO - 10.3133/wri974212 UR - https://pubs.usgs.gov/publication/wri974212 ID - wri974212 ER -