TY  - RPRT
TI  - Protecting national parks from air pollution effects: Making sausage from science and policy
AU  - Jill S. Baron
AU  - Tamara Blett
AU  - William C. Malm
AU  - Ruth Alexander
AU  - Holly Doremus
PY  - 2016
UR  - https://pubs.usgs.gov/publication/70180370
ID  - 70180370
ER  -