@misc{indiciae48a938ef6fe6, title = {Use of natural 35 S to trace sulphate cycling in small lakes, Flattops Wilderness Area, Colorado, U.S.A.}, author = {Robert L. Michel and John T. Turk and Donald H. Campbell and M. Alisa Mast}, year = {2002}, doi = {10.1023/a:1020177802927}, url = {https://pubs.usgs.gov/publication/70179843}, note = {Source identifier: 70179843} }