@misc{indiciaeeccc5847472b, title = {Effects of snowmobile use on snowpack chemistry in Yellowstone National Park, 1998}, author = {George P. Ingersoll}, year = {1999}, doi = {10.3133/wri994148}, url = {https://pubs.usgs.gov/publication/wri994148}, note = {Source identifier: wri994148} }