@misc{indiciae05130812996b, title = {Investigation of water quality in the Great Sand Dunes National Monument and Preserve, Saguache County, Colorado, February 1999 through September 2000: Qualifying for outstanding waters designation}, author = {Sheryl A. Ferguson}, year = {2003}, doi = {10.3133/wri024196}, url = {https://pubs.usgs.gov/publication/wri024196}, note = {Source identifier: wri024196} }