TY  - RPRT
TI  - Variability of nutrients in streams in part of the Upper Mississippi River Basin, Minnesota and Wisconsin
AU  - Sharon E. Kroening
AU  - James R. Stark
PY  - 1997
DO  - 10.3133/fs16497
UR  - https://pubs.usgs.gov/publication/fs16497
ID  - fs16497
ER  -