To provide defense for the United States of America.
Dry Tortugas National Park encompasses the history and natural wonders that make this island at the Southern tip of the United States a truly remarkable place. It is home to a multitude of unique birds, and has the only regular U.S. nesting site of sooty terns on Bush key, adjacent to Fort Jefferson.  Fort Jefferson was built to protect one of the most strategic deepwater anchorages in North America. By fortifying this spacious harbor, the United States maintained an important “advance post” for ships patrolling the Gulf of Mexico and the Straits of Florida. After the War of 1812 a group of forts from Maine to Texas was envisioned to provide defense for the United States of America. Fort Jefferson was built to protect the southern coastline of the United States and the lifeline of commerce to and from the Mississippi River. The fort was planned to be the greatest of these. the building of the fort. After the War of 1812 a group of forts from Maine to Texas was envisioned to provide defense for the United States of America. Fort Jefferson was built to protect the southern coastline of the United States and the lifeline of commerce to and from the Mississippi River. The fort was planned to be the greatest of these. Fort Jefferson itself is a six-sided building constructed of 16 million handmade red bricks Fort Jefferson Moat – Dry Tortugas. 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. 1 Flashback by Nevada Barr (2003) takes place entirely at Fort Jefferson. 2  The mystery shifts between the site as a contemporary national park and as Fort Jefferson during the post-Civil War era. 3  Some scenes for the 1997 made-for-TV movie Assault on Devil’s Island were shot at Fort Jefferson. Fort Jefferson was constructed in the mid-19th century to protect wealthy shipping routes between the Caribbean islands and the United States. The fort played a crucial role in the Civil War, as it was used as a prison for the worst criminals. History of Fort Jefferson. The centerpiece of the Dry Tortugas is Fort Jefferson, has a long and rich history, from defending the keys from pirates to imprisoning one of President Lincoln’s assassination conspirators. Fort Jefferson is open year-round from sun-up to sun-down. Authorized by President Thomas Jefferson, Fort Jackson was built in Thunderbolt (now a section of Savannah) to protect the city from naval attack. Named for James Jackson, the fort is the oldest standing fort in Georgia. It was not the first fort to occupy the site, however.  Fort Jefferson (1) (1846-1874) - Construction of this Third System fort began in 1846 supervised by the U.S. Army Corps of Engineers and continued for 30 years and was never completed. Named after President Thomas Jefferson. Located 70 miles west of Key West on Garden Key, Dry Tortugas Islands, Monroe County, Florida. Designed as the largest Third System brick and masonry fort in the U.S. Fort Jefferson was to be a three-tiered six-sided 420 heavy gun fort, with two sides measuring 325 feet, four sides measuring 477 feet and bastions at each corner. From Wikipedia, the free encyclopedia. Dry Tortugas National Park is a national park in the United States about 68 statute miles (109 km) west of Key West in the Gulf of Mexico. The park preserves Fort Jefferson and the seven Dry Tortugas islands, the westernmost and most isolated of the Florida Keys. The park's centerpiece is Fort Jefferson, a massive but unfinished coastal fortress. Fort Jefferson is the largest masonry structure in the Western Hemisphere, and is composed of more than 16 million bricks. Fort Jefferson is a massive but unfinished coastal fortress. It is the largest masonry structure in the Americas, and is composed of over 16 million bricks. The Dry Tortugas are part of Monroe County, Florida, United States. The fort is located on Garden Key in the lower Florida Keys within the Dry Tortugas National Park, about 70 miles (110 km) west of the island of Key West. 1 Flashback by Nevada Barr (2003) takes place entirely at Fort Jefferson. 2  The mystery shifts between the site as a contemporary national park and as Fort Jefferson during the post-Civil War era. 3  Some scenes for the 1997 made-for-TV movie Assault on Devil’s Island were shot at Fort Jefferson.
https://www.drytortugas.com/national-park-history https://www.drytortugas.com/fort-jefferson-history https://www.drytortugas.com/fort-jefferson-history https://en.wikipedia.org/wiki/Fort_Jefferson,_Florida http://miami.about.com/od/natureenvironment/a/Dry-Tortugas-National-Park-Visitors-Guide.htm http://roadsidegeorgia.com/site/fortjackson.html http://fortwiki.com/Fort_Jefferson_%281%29 https://en.wikipedia.org/wiki/Dry_Tortugas_National_Park https://en.wikipedia.org/wiki/Fort_Jefferson,_Florida
why was fort jefferson built