Mystic River & Pond Woburn Massachusetts Pollution Leather Works 1876 mapHead Waters of Mystic Pond. (Old Maps, 19th Century Maps, Americana, United States, New England, Massachusetts, Mystic River, Mystic Pond, Woburn, Thematic mapping Pollution, Leather Works). Issued 1876, Boston. Map by A. H. Houghton. Late 19th century lithographed map with attractive hand color. Key identifies pollution sources, including leather works. A "proposed sewer" line is shown. Remains a nice looking example with a pleasing age patina. Any