Map of U.S. Wallabout property: surveyed for Washington Avenue extension, Dec. 1859: by Samuel McElroy, civil engineer December 1859

Cadastral map covering area north from Flushing Ave. to S. 10th St. and east from the Cob Dock to Classon Ave. Shows property at the Brooklyn Navy Yard (including the naval hospital and cemetery). Also shows city and state bulkhead lines, docks, lines of jurisdiction, and street measurements. Oriented with north to the left.