@misc{indiciae8c5c71f053ea, title = {Protecting national parks from air pollution effects: Making sausage from science and policy}, author = {Jill S. Baron and Tamara Blett and William C. Malm and Ruth Alexander and Holly Doremus}, year = {2016}, url = {https://pubs.usgs.gov/publication/70180370}, note = {Source identifier: 70180370} }