TY - RPRT TI - Elevated naturally occurring arsenic in a semiarid oxidizing system, Southern High Plains aquifer, Texas, USA AU - Bridget R. Scanlon AU - J.-P. Nicot AU - R.C. Reedy AU - D. Kurtzman AU - A. Mukherjee AU - D. Kirk Nordstrom PY - 2009 DO - 10.1016/j.apgeochem.2009.08.004 UR - https://pubs.usgs.gov/publication/70037244 ID - 70037244 ER -