TY - RPRT TI - Biological and chemical recovery of acidified Catskill Mountain streams in response to the Clean Air Act Amendments of 1990 AU - Barry P. Baldigo AU - Scott D. George AU - Dylan R. Winterhalter AU - Michael McHale PY - 2021 DO - 10.1016/j.atmosenv.2021.118235 UR - https://pubs.usgs.gov/publication/70218232 ID - 70218232 ER -