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  2. Marble Cliff Quarry Co. - Wikipedia

    en.wikipedia.org/wiki/Marble_Cliff_Quarry_Co.

    In 1913, Marble Cliff Quarries Co. was founded and shortly consolidated quarrying activities with the merger of Casparis Stone, Scioto Stone, Kiefer Stone, and Woodruff and Pausch Stone. John W. Kaufman was named president of the company and H.J. Kaufman vice president. [2] The company grew through the expansion of stone grades from one to six ...

  3. Union Station (Columbus, Ohio) - Wikipedia

    en.wikipedia.org/wiki/Union_Station_(Columbus,_Ohio)

    Columbus Union Station was an intercity train station in Downtown Columbus, Ohio, near The Short North neighborhood. The station and its predecessors served railroad passengers in Columbus from 1851 until April 28, 1977. The first station building was the first union station in the world, built in 1851. Its replacement was built from 1873 to ...

  4. Smoky quartz - Wikipedia

    en.wikipedia.org/wiki/Smoky_quartz

    Smoky quartz. Smoky quartz is a brownish grey, translucent variety of quartz that ranges in clarity from almost complete transparency to an almost-opaque brownish-gray or black crystals. [6] The color of smoky quartz is produced when natural radiation, emitted from the surrounding rock, activates color centers around aluminum impurities within ...

  5. Agate - Wikipedia

    en.wikipedia.org/wiki/Agate

    The stone is typically coloured red and white but is also seen to exhibit yellow and grey combinations as well. [11] Moss agate, as the name suggests, exhibits a moss-like pattern and is of a greenish colour. The coloration is not created by any vegetative growth, but rather through the mixture of chalcedony and oxidized iron hornblende.

  6. List of Ohio state symbols - Wikipedia

    en.wikipedia.org/wiki/List_of_Ohio_state_symbols

    Ohio flint became the official state gem stone in 1965. [13] State Historical Architectural Structure: The barn, an agricultural building located on farms and used for many purposes, was designated the official historical architectural structure of the State of Ohio on March 20, 2019. Enacted by Senate Bill 86, 132nd General Assembly. [25]

  7. Fort Hayes - Wikipedia

    en.wikipedia.org/wiki/Fort_Hayes

    Fort Hayes was a military post in Columbus, Ohio, United States.Created by an act of the United States Congress on July 11, 1862, the site was also known as the Columbus Arsenal until 1922, when the site was renamed after former Ohio Governor and later 19th U.S. President Rutherford B. Hayes. [2]

  8. Diorite - Wikipedia

    en.wikipedia.org/wiki/Diorite

    Diorite. Diorite (/ ˈdaɪ.əraɪt / DY-ə-ryte) [1][2] is an intrusive igneous rock formed by the slow cooling underground of magma (molten rock) that has a moderate content of silica and a relatively low content of alkali metals. It is intermediate in composition between low-silica (mafic) gabbro and high-silica (felsic) granite.

  9. List of tallest buildings in Columbus, Ohio - Wikipedia

    en.wikipedia.org/wiki/List_of_tallest_buildings...

    It is the tallest office building in Columbus and the tallest mid-block building in Ohio. [14][15][16] 2. LeVeque Tower. 555 (169) 47. 1927. 50 West Broad Street. The 7th-tallest building in Ohio and the tallest building constructed in Columbus in the 1920s. [17][18][19] 3.