@misc{indiciae17359cfc53a4, title = {Use of dye tracing to determine ground-water movement to Mammoth Crystal Springs, Sylvan Pass area, Yellowstone National Park, Wyoming}, author = {Lawrence E. Spangler and David D. Susong}, year = {2006}, doi = {10.3133/sir20065126}, url = {https://pubs.usgs.gov/publication/sir20065126}, note = {Source identifier: sir20065126} }