@misc{indiciaee5310a04e540, title = {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}, author = {R. S. Guenthner}, year = {1991}, doi = {10.3133/wri914086}, url = {https://pubs.usgs.gov/publication/wri914086}, note = {Source identifier: wri914086} }