Altoona (ăltōō´nə), industrial city (1990 pop. 51,881), Blair co., central Pa., on the eastern slopes of the Allegheny Mts., near the source of the Juniata River; settled c.1769, laid out (1849) by the Pennsylvania RR as a switching point for locomotives preparing to mount the Allegheny Plateau; inc. as a city 1868. It is a railroad center with construction and repair shops. Manufactures include fabricated metal products, food, machinery, electrical equipment, and chemicals. Nearby tourist attractions are the Horseshoe Curve constructed by the Pennsylvania RR, a world-famous engineering feat; and Wopsononock Mt. (2,580 ft/786 m high). A branch of Pennsylvania State Univ. is in Altoona.
"Altoona." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (February 19, 2018). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/altoona
"Altoona." The Columbia Encyclopedia, 6th ed.. . Retrieved February 19, 2018 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/altoona
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Altona (äl´tōnä), part of Hamburg, N Germany, a port on the Elbe River. Its manufactures include chemicals, textiles, and tobacco products. There are fisheries, and the district is a rail center. Founded as a fishing village in the 16th cent. and later one of the first free ports in N Europe, Altona was incorporated into Hamburg in 1937.
"Altona." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (February 19, 2018). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/altona
"Altona." The Columbia Encyclopedia, 6th ed.. . Retrieved February 19, 2018 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/altona