TY  - RPRT
TI  - Trends in precipitation chemistry across the U.S. 1985–2017: Quantifying the benefits from 30 years of Clean Air Act amendment regulation
AU  - Michael McHale
AU  - Amy Ludtke
AU  - Gregory A. Wetherbee
AU  - Douglas A. Burns
AU  - Mark A. Nilles
AU  - Jason S. Finkelstein
PY  - 2021
DO  - 10.1016/j.atmosenv.2021.118219
UR  - https://pubs.usgs.gov/publication/70218015
ID  - 70218015
ER  -