TY - RPRT TI - U.S. Geological Survey research in Handcart Gulch, Colorado—An alpine watershed with natural acid-rock drainage AU - Andrew H. Manning AU - Jonathan S. Caine AU - Philip L. Verplanck AU - Dana J. Bove AU - Katherine G. Kahn PY - 2009 UR - https://pubs.usgs.gov/publication/70176158 ID - 70176158 ER -