TY - RPRT TI - The U. S. Geological Survey's Albemarle-Pamlico National Water-Quality Assessment Study; background and design AU - T.B. Spruill AU - Douglas A. Harned AU - Gerard McMahon PY - 1995 DO - 10.3133/ofr95164 UR - https://pubs.usgs.gov/publication/ofr95164 ID - ofr95164 ER -