TY - RPRT TI - Characterization of anthropogenic and natural sources of acid rock drainage at the Cinnamon Gulch abandoned mine land inventory site, Summit County, Colorado AU - D.A. Bird PY - 2003 DO - 10.1007/s00254-003-0835-9 UR - https://pubs.usgs.gov/publication/70024897 ID - 70024897 ER -