TY - RPRT TI - Eutrophication and carbon sources in Chesapeake Bay over the last 2700 yr: Human impacts in context AU - J.F. Bratton AU - Steven M. Colman AU - R.R. Seal PY - 2003 DO - 10.1016/s0016-7037(03)00131-5 UR - https://pubs.usgs.gov/publication/70025245 ID - 70025245 ER -