Hawes, E.L. (1993). Historic Sources of Pollution in Portland Harbor, 1840-1970; Including the Fore River, the Back Cove and South Portland Watersheds. Portland, ME: University of Southern Maine, Muskie School of Public Service, Casco Bay Estuary Partnership.
Toxics; Watersheds, Fore River
Casco Bay, Portland, South Portland, Back Cove, Fore River