TY - RPRT TI - Chemical and hydrologic data from the Cement Creek and upper Animas River confluence and mixing zone, Silverton, Colorado, September 1997 AU - Laurence E. Schemel AU - Marisa H. Cox PY - 2007 DO - 10.3133/ofr20071048 UR - https://pubs.usgs.gov/publication/ofr20071048 ID - ofr20071048 ER -