Drydock Number One, Norfolk Naval Shipyard | |
 | |
   | |
| Location | Norfolk Naval Shipyard, Portsmouth, Virginia |
|---|---|
| Coordinates | 36°49′14″N 76°17′35″W / 36.82056°N 76.29306°W |
| Area | 2 acres (0.81 ha) |
| Built | 1827 |
| NRHP reference No. | 70000862 |
| VLR No. | 124-0029 |
| Significant dates | |
| Added to NRHP | February 26, 1970[2] |
| Designated NHL | November 11, 1971[3] |
| Designated VLR | December 2, 1969[1] |
Drydock Number One is the oldest operational drydock facility in the United States. Located in Norfolk Naval Shipyard in Portsmouth, Virginia, it was put into service in 1834, and has been in service since then. Its history includes the refitting of USS Merrimack, which was modified to be the Confederate Navy ironclad CSS Virginia. It was declared a National Historic Landmark in 1971.[3][4]
- ^ "Virginia Landmarks Register". Virginia Department of Historic Resources. Archived from the original on September 21, 2013. Retrieved March 19, 2013.
- ^ "National Register Information System". National Register of Historic Places. National Park Service. January 23, 2007.
- ^ a b "Drydock Number One, Norfolk Naval Shipyard". National Historic Landmark summary listing. National Park Service. Archived from the original on December 31, 2007. Retrieved April 8, 2008.
- ^ Staff, Virginia Historic Landmarks Commission, James W. Moody Jr., Director (November 18, 1969), National Register of Historic Places Inventory-Nomination: Drydock Number One, Norfolk Naval Shipyard (pdf), National Park Service
{{citation}}: CS1 maint: multiple names: authors list (link) and Accompanying four photos of this and Drydock Number Four, from 1984 and undated (32 KB)