TY - RPRT TI - High arsenic concentrations and enriched sulfur and oxygen isotopes in a fractured-bedrock ground-water system AU - G. Lipfert AU - W.C. Sidle AU - A.S. Reeve AU - R. A. Ayuso AU - A.J. Boyce PY - 2007 DO - 10.1016/j.chemgeo.2007.04.003 UR - https://pubs.usgs.gov/publication/70030785 ID - 70030785 ER -