Trollhättan (trôl´hĕ´tän), city (1990 pop. 40,180), Älvsborg co., S Sweden, on the Götaälv River near Lake Vänern. The Götaälv River, which falls 108 ft (33 m) in about 1 mi (1.6 km) at Trollhättan, is used to generate much hydroelectricity; the ready availability of electricity has helped to make the city a major industrial center. Manufactures include locomotives, metal goods, airplane engines, plastics, footwear, clothing, phosphates, and motor vehicles.
"Trollhättan." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (March 23, 2019). https://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/trollhattan
"Trollhättan." The Columbia Encyclopedia, 6th ed.. . Retrieved March 23, 2019 from Encyclopedia.com: https://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/trollhattan