TY - RPRT TI - Estimating urban air pollution contribution to South Platte River nitrogen loads with National Atmospheric Deposition Program data and SPARROW model AU - Gregory A. Wetherbee AU - Michael Wieczorek AU - Dale M. Robertson AU - David A. Saad AU - Jon Novick AU - M. Alisa Mast PY - 2022 DO - 10.1016/j.jenvman.2021.113861 UR - https://pubs.usgs.gov/publication/70226957 ID - 70226957 ER -