TY - RPRT TI - Utilizing anthropogenic compounds and geochemical tracers to identify preferential structurally controlled groundwater pathways influencing springs in Grand Canyon National Park, Arizona, USA AU - Kimberly R. Beisner AU - Nicholas V. Paretti AU - Jeramy Roland Jasmann AU - Larry B. Barber PY - 2023 DO - 10.1016/j.ejrh.2023.101461 UR - https://pubs.usgs.gov/publication/70246316 ID - 70246316 ER -