Walter A. Lawrance Androscoggin River Studies Thirty Year Annual Report, October, 1972, Androscoggin River Studies, Box 6, Folder 2, Walter A. Lawrance Papers, Edmund S. Muskie Archives and Special Co..
Walter A. Lawrance Androscoggin River Studies Thirty Year Annual Report, October, 1972, Androscoggin River Studies, Box 6, Folder 2, Walter A. Lawrance Papers, Edmund S. Muskie Archives and Special Collections Library, Bates College, Lewiston, Maine.