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The red fields are the NPAs that hosted the Regional Centers for toll-switching established in the General Toll Switching Plan of 1929: [2] New York City (212), Los Angeles (213), Dallas (214), Chicago (312), St. Louis (314), and San Francisco (415) in the multi-NPA states, and in Denver (303) and Atlanta (404) in states with just a single area ...
The Alaska National Interest Lands Conservation Act (ANILCA) of 1980 added 53.7 million acres (217,000 km 2) to the National Wildlife Refuge system, parts of 25 rivers to the National Wild and Scenic Rivers system, 3.3 million acres (13,000 km 2) to National Forest lands, and 43.6 million acres (176,000 km 2) to National Park land. Because of ...
First built Use Notes Russian-American Magazin: Kodiak, Alaska: 1810 storage facility Oldest building in Alaska [1] Church of the Holy Ascension: Unalaska, Alaska: 1826 Church Earliest surviving Russian church in Alaska Russian Bishop's House: Sitka, Alaska: 1841-1843 Church Early Russian architecture Russian-American Building No. 29: Sitka ...
In 1903, the Alaska Central Railroad began a rail project north from Seward. The company encountered the most significant geographic obstacles to construction between 47 and 53 miles (85 km) north of Seward, a section known as the "Loop District", where the line would need to cross a high-point in the Kenai Mountains and avoid the paths of two glaciers.
By 1914, about 60 miles (97 km) of tunnel had been constructed, typically 7 feet 6 inches (2.3 m) high and 6 feet (1.83 m) wide, with 2 ft (610 mm) gauge track. 19 elevators connected the tunnel with customers, and five elevators served universal public stations where freight could be dropped off or picked up by the public. The railroad ...
Although developed by the University of Chicago, they have been used by other universities in the Chicago area, as well as by the city and regional planners. [2] They have contributed to Chicago's reputation as the "city of neighborhoods", and are argued to break up an intimidating city into more manageable pieces. [2] Chicago was an early ...
Two foot: 610 mm (2 ft) Two foot three inch: 686 mm (2 ft 3 in) 750 mm: 750 mm (2 ft 5 + 1 ⁄ 2 in) Bosnian gauge: 760 mm (2 ft 5 + 15 ⁄ 16 in) Two foot six inch: 762 mm (2 ft 6 in) Swedish three foot: 891 mm (2 ft 11 + 3 ⁄ 32 in) 900 mm: 900 mm (2 ft 11 + 7 ⁄ 16 in) Three foot: 914 mm (3 ft) Italian metre: 950 mm (3 ft 1 + 13 ⁄ 32 in ...
According to the United States Census Bureau, the City of Chicago has a total area of 606.1 km 2 (234.0 sq mi). 588.3 km 2 (227.1 sq mi) of it is land and 17.8 square kilometres (6.9 sq mi) of it is water. The total area is 2.94% water.