TY  - RPRT
TI  - Position statement on the effects of livestock grazing on riparian and stream ecosystems
AU  - C.L. Armour
AU  - D.A. Duff
AU  - W. Elmore
PY  - 1991
UR  - https://pubs.usgs.gov/publication/70125935
ID  - 70125935
ER  -