TY  - RPRT
TI  - The role of headwater streams in downstream water quality
AU  - R. B. Alexander
AU  - E.W. Boyer
AU  - R. A. Smith
AU  - G. E. Schwarz
AU  - R. B. Moore
PY  - 2007
DO  - 10.1111/j.1752-1688.2007.00005.x
UR  - https://pubs.usgs.gov/publication/70032894
ID  - 70032894
ER  -