TY  - RPRT
TI  - Evaluation of stream chemistry trends in US Geological Survey reference watersheds, 1970-2010
AU  - M. Alisa Mast
PY  - 2013
DO  - 10.1007/s10661-013-3256-6
UR  - https://pubs.usgs.gov/publication/70046169
ID  - 70046169
ER  -