TY  - RPRT
TI  - Chemical composition of atmospheric precipitation in the northeastern United States
AU  - F.J. Pearson
AU  - Donald W. Fisher
PY  - 1971
DO  - 10.3133/wsp1535p
UR  - https://pubs.usgs.gov/publication/wsp1535P
ID  - wsp1535P
ER  -