Title: Sketch of plans, present condition and proposed results of the United States dry docks at the navy yards of Philadelphia, Kittery, and Pensacola; upon the new system of floating docks, basin & railways; now construction under contracts with Messrs. Dakin & Moody, and Gilbert Secor, made by the Navy Department, under a law of Congress, passed August 3rd, 1848
Subjects: Portsmouth Naval Shipyard (U.S.), Philadelphia Naval Shipyard (Philadelphia, Pa.), Dry docks, United States. Navy Yard, League Island