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As early as 1903, U.S. President Theodore Roosevelt was convinced of the need to declare Pelican Island in Florida a National Wildlife Refuge to protect the bird colonies (including the nesting brown pelicans), [95] and in 1909 he protected the Farallon Islands.
Flagler's establishment of "the Styx", a settlement for hotel and rail line workers across the river from the barrier island containing Palm Beach, became West Palm Beach. [23] Along the way he built resort hotels, transforming territorial outposts into tourist destinations and the land bordering the rail lines into citrus farms. [24]
The emergent landmass of Florida was Orange Island, a low-relief island sitting atop the carbonate Florida Platform which emerged about 34 to 28 million years ago. [7] When glaciation locked up the world's water, starting 2.58 million years ago, the sea level dropped precipitously. It was approximately 100 meters (330 ft) lower than present levels.
In the upper Florida Keys Palm Beach Island: 8.12 square miles (21.0 km 2) Palm Beach Barrier island Palm Island: Miami-Dade Artificial island in Biscayne Bay Palm Key: Monroe In Florida Bay: Paradise Island: Osceola In Lake Tohopekaliga Park Key: 70 acres (28 ha) Monroe In the lower Florida Keys Peanut Island: 0.32 square kilometres (0.12 sq ...
The Central and Southern Florida Flood Control Project's final construction project was straightening the Kissimmee River, a meandering 90-mile (140 km)-long river that was drained to make way for grazing land and agriculture. The C&SF started building the C-38 canal in 1962 and the effects were seen almost immediately.
Heard Island and McDonald Islands in the Southern Ocean A map of Heard Island and McDonald Islands Heard Island, by far the largest of the group, is a 368-square-kilometre (142 sq mi) mountainous island covered by 41 glaciers [ 22 ] (the island is 80% covered with ice [ 2 ] ) and dominated by the Big Ben massif .
Gulf Islands National Seashore geologic cross section. The barrier islands started forming 4500-5400 years ago. On the north side of the islands, the beaches are broad, while on the south side, the beaches include 2 metres (6.6 ft) high dunes on average, but with some reaching 6 metres (20 ft).
Fort Jefferson is a former U.S. military coastal fortress in the Dry Tortugas National Park of Florida. It is the largest brick masonry structure in the Americas, [2] [3] covering 16 acres (6.5 ha) and made with over 16 million bricks. [4] Among United States forts, only Fort Monroe in Virginia and Fort Adams in Rhode Island are