Columbia Encyclopedia
Search results
9 results found
Mesabi
(Encyclopedia)Mesabi məsäbˈē [key], range of low hills, NE Minn., once famous for its extensive iron ore deposits. The ores were found in a belt c.110 mi (180 km) long and from 1 to 3 mi (1.6–4.8 km) wide bet...Cuyuna
(Encyclopedia)Cuyuna, range in Minnesota: see Mesabi. ...Virginia, city, United States
(Encyclopedia)Virginia, city (1990 pop. 9,410), St. Louis co., NE Minn., on the Mesabi range; inc. 1892. In addition to its iron mines—both open-pit and underground—the city has foundries, lumbering, and food-p...taconite
(Encyclopedia)taconite, low-grade iron ore, a flintlike rock usually containing less than 30% iron. Resistant to drilling and to the extraction of its contained metal, the rock was long considered worthless. Experi...Hibbing
(Encyclopedia)Hibbing, city (2020 pop. 16,214), St. Louis co., NE Minn., on the Mesabi iron range 90 mi (145 km) from the Canadian border; inc. 1893. Iron mining, for...Duluth
(Encyclopedia)Duluth dəlo͞othˈ [key], city (2020 pop. 86,697), seat of St. Louis co., NE Minn., at the w...Industrial Workers of the World
(Encyclopedia)Industrial Workers of the World (IWW), revolutionary industrial union organized in Chicago in 1905 by delegates from the Western Federation of Mines, which formed the nucleus of the IWW, and 42 other ...iron
(Encyclopedia)iron, metallic chemical element; symbol Fe [Lat. ferrum]; at. no. 26; at. wt. 55.845; m.p. about 1,535℃; b.p. about 2,750℃; sp. gr. 7.87 at 20℃; valence +2, +3, +4, or +6. Iron is biologically s...Minnesota, state, United States
(Encyclopedia)CE5 Minnesota mĭnˌĭsōˈtə [key], upper midwestern state of the United States. It is bordered by Lake Superior and Wisconsin (E), Iowa (S), South Dakota and North Dakota (W), and the Canadian p...Browse by Subject
- Earth and the Environment +-
- History +-
- Literature and the Arts +-
- Medicine +-
- People +-
- Philosophy and Religion +-
- Places +-
- Africa
- Asia
- Australia and Oceania
- Britain, Ireland, France, and the Low Countries
- Commonwealth of Independent States and the Baltic Nations
- Germany, Scandinavia, and Central Europe
- Latin America and the Caribbean
- Oceans, Continents, and Polar Regions
- Spain, Portugal, Italy, Greece, and the Balkans
- United States, Canada, and Greenland
- Plants and Animals +-
- Science and Technology +-
- Social Sciences and the Law +-
- Sports and Everyday Life +-
