Tugboat GRACE towing scow, Cape Cod Canal, MA, after 1910 real photo postcard, color, divided back Phinney, P.H. after 1910 2014.49.1938 ViewTugboat GRACE towing scow, Cape Cod Canal, MA, after 1910 real photo postcard, divided back Tucker, C. O. after 1910 2014.49.1939 View