TY - RPRT TI - Mapping areas of groundwater susceptible to transient contamination events from rapid infiltration into shallow fractured-rock aquifers in agricultural regions of the conterminous United States AU - Allen M. Shapiro AU - James A. Falcone PY - 2022 DO - 10.3133/ofr20221093 UR - https://pubs.usgs.gov/publication/ofr20221093 ID - ofr20221093 ER -