TY - RPRT TI - Surface water acidification responses and critical loads of sulfur and nitrogen deposition in Loch Vale watershed, Colorado AU - T.J. Sullivan AU - B.J. Cosby AU - K.A. Tonnessen AU - D. W. Clow PY - 2005 DO - 10.1029/2004wr003414 UR - https://pubs.usgs.gov/publication/70029438 ID - 70029438 ER -