The ship hovers over the mouth of the James River, which is 5 miles wide at point D. (Bridge Tunnel)
Other features to give scale:
- Huge rail-yard and switching station at K.
- Berths for repairing cruise liners and navy ships at A.
- Coal-yard that powers the ship-yard at C.
- Monitor-Merrimac tunnel at B.
- Aircraft Carriers parked at Norfolk Naval Base at E.
original from this site: SIzes