Dry Tortugas National Park
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| Dry Tortugas National Park | |
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| IUCN Category II (National Park) | |
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| Location: | Monroe County, Florida, USA |
| Nearest city: | Key West, Florida |
| Coordinates: | |
| Area: | 64,700 acres (61,480 federal) 261.83 km² |
| Established: | January 4, 1935 |
| Total Visitation: | 64,817 (in 2005) |
| Governing body: | National Park Service |
Dry Tortugas National Park preserves Fort Jefferson and the Dry Tortugas section of the Florida Keys. The park covers 101 mi² (262 km²), mostly water, about 68 statute miles (109 km) west of Key West in the Gulf of Mexico.
It is famous for abundant sea life, colorful coral reefs and legends of shipwrecks and sunken treasures. The park's centerpiece is Fort Jefferson, a massive but unfinished coastal fortress. It is the largest masonry structure in the Western Hemisphere,[1][2][3] and is composed of over 16 million bricks.
In late December 1824 and early January 1825, about five years after Spain sold Florida to the United States for $5 million, U.S. Navy Commodore David Porter inspected the Dry Tortugas islands. He was on the lookout for a site for a naval station that would help suppress piracy in the Caribbean. Unimpressed with what he saw, he notified the Secretary of the Navy that the Dry Tortugas were unfit for any kind of naval establishment. He reported that they consist of small sand islands a little above the surface of the ocean, have no fresh water, scarcely enough land to place a fortification, and in any case are probably not solid enough to bear one.
While Commodore Porter thought the Dry Tortugas were unfit for a naval station, others in the U.S. government thought the islands were a good location for a lighthouse to guide ships around the area's reefs and small islands. A small island called Bush Key, later called Garden Key, was selected as the site for the lighthouse, which became known as Garden Key Light. Construction began in 1825 and was completed in 1826. The 65-foot lighthouse was constructed of brick with a whitewashed exterior. A small white cottage for the lighthouse keeper was constructed beside the lighthouse.
In May 1829, Commodore John Rodgers stopped at the Dry Tortugas to evaluate the anchorage. Contrary to Commodore Porter's experience, Rogers was delighted with what he found. The Dry Tortugas, he reported, consisted of 11 small keys and surrounding reefs and banks, over which the sea broke. There was an outer and an inner harbor. The former afforded a safe anchorage at all seasons, and was large enough to let a large number of ships ride at anchor. Of more importance, the inner harbor combined a sufficient depth of water for ships-of-the-line, with a narrow entrance of not more than 120 yards. Rogers said that if a hostile power should occupy the Dry Tortugas, United States shipping in the Gulf would be in deadly peril, and "nothing but absolute naval superiority" could prevail. However, if occupied and fortified by the U.S., the Dry Tortugas would constitute the "advance post" for a defense of the Gulf Coast.
A series of engineering studies and bureaucratic delays consumed the next 17 years, but the construction of Fort Jefferson (named after the third President, Thomas Jefferson) was finally begun on Garden Key in 1846. The new fort would be built so that the existing Garden Key lighthouse and the lighthouse keeper's cottage would be contained within the walls of the fort. The lighthouse would continue to serve a vital function in guiding ships through the waters of the Dry Tortugas Islands until the current metal light tower was installed atop an adjacent wall of the fort in 1876. The original brick lighthouse tower was taken down in 1877.
The design of the fort called for a three-tiered six-sided 420 heavy-gun fort, with two sides measuring 325 feet, and four sides measuring 477 feet. The walls met at corner bastions, which are large projections designed to allow defensive fire along the faces of the walls they joined. The heavy guns were mounted inside the walls in a string of open casemates, or gunrooms, facing outward toward the sea through large openings called embrasures. Fort Jefferson was designed to be a massive gun platform, impervious to assault, and able to destroy any enemy ships foolhardy enough to come within range of its powerful guns.
Living quarters for soldiers and officers, gunpowder magazines, storehouses, and other buildings required to maintain the fort were located on the parade ground inside the fort's massive brick walls. The Army employed civilian machinists, carpenters, blacksmiths, masons, general laborers, the resident prisoner population, and slaves to help construct the fort. By 1863, during the Civil War, the number of military convicts at Fort Jefferson had increased so significantly that slaves were no longer needed. At the time, there were 22 black slaves employed on the project.
Fort Jefferson's peak military population was 1,729. In addition, a number of officers brought their families, and a limited number of enlisted personnel brought wives who served as laundresses (typically four per company). There were also lighthouse keepers and their families, cooks, a civilian doctor and his family, and others. In all, there were close to 2,000 people at Fort Jefferson during its peak years.
The fort remained in Federal hands throughout the Civil War. With the end of hostilities in 1865, the fort's population had declined to 1,013, consisting of 486 soldiers or civilians and 527 prisoners. The great majority of prisoners at Fort Jefferson were Army privates whose most common transgression was desertion. The most common transgression of civilian prisoners was robbery. However, in July 1865 four special civilian prisoners arrived. These were Dr. Samuel Mudd, Edmund Spangler, Samuel Arnold, and Michael O'Laughlen, who had been convicted of conspiracy in the assassination of President Abraham Lincoln. Construction of Fort Jefferson was still under way when Dr. Mudd and his fellow prisoners arrived, and continued throughout the time they were imprisoned there and for several years thereafter, but was never completely finished. Mudd provided much-praised medical care during a yellow fever epidemic at the fort in 1867, and was eventually pardoned by President Andrew Johnson and released. By 1888, the military usefulness of Fort Jefferson had waned, and the cost of maintaining the fort due to the effects of frequent hurricanes and the corrosive and debilitating tropical climate could no longer be justified.
In 1888, the Army turned the fort over to the Marine-Hospital Service to be operated as a quarantine station. On January 4, 1935, President Franklin D. Roosevelt, who visited the area by ship, designated the area as Fort Jefferson National Monument. It was listed on the National Register of Historic Places on November 10, 1970. On October 26, 1992 the Dry Tortugas, including Fort Jefferson, was established as a National Park. The islands still do not exhibit any standing fresh water or even seasonal streams, hence the "dry" name. Owing to the potential difficulties of survival in such conditions, one of these islands was used as the location for filming a military survival film used to train aircraft personnel.
The park is roughly 70 statute miles (60 nautical miles) or 110 kilometers by boat west of Key West, and plays host to almost 80,000 visitors each year. The park is accessible only by seaplane or boat. Activities include snorkeling, picnicking, scuba diving, saltwater fishing and birdwatching.
The most popular birdwatching event is the sooty tern nesting season on Bush Key between February and September, which involves an estimated 100,000 terns. Bush Key remains closed to visitors during the nesting season, but bird watchers with binoculars or telephoto lenses can watch the spectacle from Fort Jefferson. Other bird species in the park include the noddy, brown pelican, magnificent frigatebird, masked booby, roseate tern, brown booby and double-crested cormorant.
[edit] External links
[edit] References
- ^ http://floridakeys.net/news.cfm?newsid=1209 Floridakeys.net
- ^ http://www.floridakeysfishing.com/Fort%20Jefferson.htm Dry Tortugas National Park - A Unique Visit Back In Time
- ^ http://www.nationalgeographic.com/adventure/0111/story.html#story_4 Trips: Florida’s Dry Tortugas National Park
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