Harbor cadastral map. Shows piers, "Exterior line of land under water granted to the City in 1871," "Pierhead line established 1890 by the Secretary of War," and some earlier bulkhead lines.
Attributed to Dept. of Docks by cataloger of col. ed. of this map, based on comparison to similar works dated 1870-1880.
Title devised by cataloger of col. ed. of this map.