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Holabird & Roche. The City Hall-County Building, commonly known as City Hall, is a 12-story building in Chicago, Illinois that houses the seats of government of the City of Chicago and Cook County. [ 1 ][ 2 ] The building's west side (City Hall, 121 N. LaSalle St.) [ 3 ] holds the offices of the mayor, city clerk, and city treasurer; some city ...
The Thacker Pass lithium mine is a lithium clay mining development project in Humboldt County, Nevada, which is the largest known lithium deposit in the US and one of the largest in the world. [5][6][7] There has been significant exploration of Thacker Pass since 2007. The Bureau of Land Management issued a Record of Decision approving ...
The mural depicts local labor history, including the Chicago & Alton Railroad shops and the 1922 Shops workers' strike; a 1917 visit by Mary Harris "Mother" Jones in supporting of striking streetcar workers; a 1937 strike at the Beich Candy Company and the 1978 Normal Fire Fighters' strike. The mural was painted by Kari Sandhaas from 1984 to 1986.
Daniel Burnham. Daniel Hudson Burnham FAIA (September 4, 1846 – June 1, 1912) was an American architect and urban designer. A proponent of the Beaux-Arts movement, he may have been "the most successful power broker the American architectural profession has ever produced." [1]
Designed by Holabird & Root, the Palmolive Building was completed in 1929 as the home of the Colgate-Palmolive-Peet Company. Playboy Enterprises purchased the leasehold in 1965 and the structure was renamed the Playboy Building. It was home to the editorial and business offices of Playboy magazine until 1989, when Playboy moved its offices to ...
Opal is a hydrated amorphous form of silica (SiO 2 · n H 2 O); its water content may range from 3% to 21% by weight, but is usually between 6% and 10%. Due to its amorphous property, it is classified as a mineraloid, unlike crystalline forms of silica, which are considered minerals. It is deposited at a relatively low temperature and may occur ...
Philip Deidesheimer. Square set timbering as used in the Comstock mines, 1877 illustration. Philip Deidesheimer was a mining engineer in the Western United States. Deidesheimer was born in 1832, in Darmstadt, Electorate of Hesse before German unification. He attended the prestigious Freiberg University of Mining (Technische Universität ...
Cleveland-Cliffs Inc. (CCI, formerly Cliffs Natural Resources) is an American steel manufacturer based in Cleveland, Ohio. They specialize in the mining, beneficiation, and pelletizing of iron ore, as well as steelmaking, including stamping and tooling. The company was the world's 25th-largest steel producer and the third-largest in the United ...