topic

• Railroads1
• Tunnels1
• Underwater tunnels1

name

collection

• Maps of New York City and State1

place

• Narrows Tunnel (New York, N.Y.) (Proposed)1
• Narrows, The (New York, N.Y.)1
• New York1
• New York (State)1
• New York Metropolitan Area1

genre

• Maps1

publisher

• The Board1

division

• Map Division1

type

• cartographic1