4th District. Atlantic Coast of United States, buoy list, Delaware Bay and River, including Philadelphia Harbor, 4th lighthouse district; 1917, corrected to June 1.
Publication Title:
4th District. Atlantic Coast of United States, buoy list, Delaware Bay and River, including Philadelphia Harbor, 4th lighthouse district; 1917, corrected to June 1.
Display Title:
4th District. Atlantic Coast of United States, buoy list, Delaware Bay and River, including Philadelphia Harbor, 4th lighthouse district; 1917, corrected to June 1.