@misc{indiciaed36830233a04, title = {Effects of agricultural land-management practices on water quality in northeastern Guilford County, North Carolina, 1985-90}, author = {D.A. Harned}, year = {1994}, doi = {10.3133/ofr9460}, url = {https://pubs.usgs.gov/publication/ofr9460}, note = {Source identifier: ofr9460} }