TY - RPRT TI - Use of dye tracing to determine ground-water movement to Mammoth Crystal Springs, Sylvan Pass area, Yellowstone National Park, Wyoming AU - Lawrence E. Spangler AU - David D. Susong PY - 2006 DO - 10.3133/sir20065126 UR - https://pubs.usgs.gov/publication/sir20065126 ID - sir20065126 ER -