TY - RPRT TI - Hydrogeochemical investigation of the Standard Mine Vicinity, Upper Elk Creek Basin, Colorado AU - Andrew H. Manning AU - Philip L. Verplanck AU - M. Alisa Mast AU - Richard B. Wanty PY - 2008 DO - 10.3133/sir20075265 UR - https://pubs.usgs.gov/publication/sir20075265 ID - sir20075265 ER -