TY - RPRT TI - Quality of surface-water supplies in the Triangle Area of North Carolina, water years 2012–13 AU - C.A. Pfeifle AU - J.L. Cain AU - R.B. Rasmussen PY - 2016 DO - 10.3133/ofr20161137 UR - https://pubs.usgs.gov/publication/ofr20161137 ID - ofr20161137 ER -