National Park Service caption reads "The CASHIER (ca. 1849), moored in Commercial Township, is believed to be the oldest commercial fishing boat in use in this country." Photo by Sara Amy Leach, HABS c. 1990. Listed on the NRHP on February 23, 2016 (#15001050) at 2800 High St. (39°14′00″N 75°02′02″W) in Commercial Township At the Bayshore Center at Bivalve. (of course these boats move around)