TY - RPRT TI - Effects of emission reductions at the Hayden powerplant on precipitation, snowpack, and surface-water chemistry in the Mount Zirkel Wilderness Area, Colorado, 1995-2003 AU - M. Alisa Mast AU - Donald H. Campbell AU - George P. Ingersoll PY - 2005 DO - 10.3133/sir20055167 UR - https://pubs.usgs.gov/publication/sir20055167 ID - sir20055167 ER -