TY - RPRT TI - Machine learning models of arsenic in private wells throughout the conterminous United States as a tool for exposure assessment in human health studies AU - Melissa A. Lombard AU - Molly Scannell Bryan AU - Daniel K. Jones AU - Catherine Bulka AU - Paul M. Bradley AU - Lorraine C. Backer AU - Michael J. Focazio AU - Debra T. Silverman AU - Patricia Toccalino AU - Maria Argos AU - Matthew O. Gribble AU - Joseph D. Ayotte PY - 2021 DO - 10.1021/acs.est.0c05239 UR - https://pubs.usgs.gov/publication/70219045 ID - 70219045 ER -