TY  - RPRT
TI  - Methods for estimating monthly mean concentrations of selected water-quality constituents for stream sites in the Red River of the North basin, North Dakota and Minnesota
AU  - R. S. Guenthner
PY  - 1991
DO  - 10.3133/wri914086
UR  - https://pubs.usgs.gov/publication/wri914086
ID  - wri914086
ER  -