TY - RPRT TI - National water-quality assessment program : the Albemarle- Pamlico drainage AU - O. B. Lloyd AU - C.R. Barnes AU - M. D. Woodside PY - 1991 DO - 10.3133/ofr91156 UR - https://pubs.usgs.gov/publication/ofr91156 ID - ofr91156 ER -