@misc{indiciae698a130ccfde, title = {Results of the acid rain program: Status and trends of emissions and environmental impacts (1990–2002)}, author = {R. Cook and C. Eagar and M. Fenn and R. Haeuber and Thomas G. Huntington and S. McLaughlin and M. Ross and T. Saltman and D. Schmeltz and M. Streigel and C. Trettin}, year = {2005}, url = {https://pubs.usgs.gov/publication/70205862}, note = {Source identifier: 70205862} }