TY - RPRT TI - Effects of water-control structures on hydrologic and water-quality characteristics in selected agricultural drainage canals in eastern North Carolina AU - M. W. Treece AU - M.L. Jaynes PY - 1994 DO - 10.3133/wri944226 UR - https://pubs.usgs.gov/publication/wri944226 ID - wri944226 ER -