Walter A. Lawrance Androscoggin River Studies Twentieth Annual Report, November, 1962, Androscoggin River Studies, Box 4, Folder 1, Walter A. Lawrance Papers, Edmund S. Muskie Archives and Special Col..
Walter A. Lawrance Androscoggin River Studies Twentieth Annual Report, November, 1962, Androscoggin River Studies, Box 4, Folder 1, Walter A. Lawrance Papers, Edmund S. Muskie Archives and Special Collections Library, Bates College, Lewiston, Maine.