Contaminated soil is now stored in a landfill.
Johnston atoll series#
In the 1950s and 60s the United States conducted a series of nuclear tests there, causing some radioactive contamination of the atoll the area was also a chemical and biological weapons storage and incineration site. Navy control from 1934 and Air Force control after 1948, now jointly with the Dept. Wing morphology of nine species of seabirds from Johnston Atoll in the central tropical Pacific was analyzed to determine how wing size and shape. The US Navy took over the atoll in 1934, and subsequently the US Air Force assumed control. A bird sanctuary since the 1920s, the strategic island was under U.S. Johnston and Sand Islands were designated wildlife refuges in 1926. companies exploited the island for guano until the 1880s.
Johnston Atoll was discovered by Americans in 1796, or the British in 1807, and was claimed by both the United States and the Kingdom of Hawaii in 1858 it was not, however, included in the state of Hawaii. The atoll is the site of a wildlife refuge. The largest island, Johnston Island, c.3,000 ft (910 m) long and c.600 ft (180 m) wide, has been significantly expanded with dredged fill. The monument incorporates approximately more than 490,000 square miles within its boundaries, which extend 50 nautical miles from the mean low water lines of Howland and Baker Islands, Kingman Reef, and Palmyra Atoll, and can extend as far out as 200 nautical miles at Johnston and Wake Atolls, and Jarvis Island. Johnston Atoll, atoll, 2.8 sq mi (7.25 sq km), central Pacific, c.700 nautical mi (1,300 km) SW of Honolulu, central Pacific, an uninc. Johnston Atoll is an unincorporated territory of the United States and is one of the oldest and most remote atolls in the world.
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