@misc{indiciae73bfce91ade1, title = {Water-quality assessment of the Rio Grande Valley, Colorado, New Mexico, and Texas: Shallow ground-water quality of a land-use area in the San Luis Valley, south-central Colorado, 1993}, author = {S. K. Anderholm}, year = {1996}, doi = {10.3133/wri964144}, url = {https://pubs.usgs.gov/publication/wri964144}, note = {Source identifier: wri964144} }