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  2. Pittsburgh International Airport - Wikipedia

    en.wikipedia.org/wiki/Pittsburgh_International...

    The first five airlines of the Greater Pittsburgh Airport were Trans World Airlines (TWA), Capital Airlines (later part of United), Northwest, All American (later Allegheny Airlines, then USAir, and finally US Airways), and Eastern Airlines. The April 1957 Airline Guide shows 58 weekday departures on Capital, 54 TWA, 18 Allegheny, 8 United, 7 ...

  3. Keeling Coal Company - Wikipedia

    en.wikipedia.org/wiki/Keeling_Coal_Company

    The Ormsby mine was an underground coal mine, originally opened in 1838 by the son-in law of Oliver Ormsby, John Harding Page and Captain Phillips. The mine was served by a gravity plane, or incline, built between 1838 and 1844. [1] It was operated by Doctor Oliver Harrison Ormsby, the son of the above named Oliver Ormsby, from 1851 to 1861.

  4. List of gold mines in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_gold_mines_in_the...

    This list of gold mines in the United States is subsidiary to the list of mines article and lists working, defunct and future mines in the country and is organised by the primary mineral output. For practical purposes stone, marble and other quarries may be included in this list.

  5. Old School RuneScape - Wikipedia

    en.wikipedia.org/wiki/Old_School_RuneScape

    Old School RuneScape is a massively multiplayer online role-playing game (MMORPG), developed and published by Jagex.The game was released on 16 February 2013. When Old School RuneScape launched, it began as an August 2007 version of the game RuneScape, which was highly popular prior to the launch of RuneScape 3.

  6. Allegheny County Airport - Wikipedia

    en.wikipedia.org/wiki/Allegheny_County_Airport

    North American TB-25N Mitchell 44-29125, on cross country flight from Nellis AFB, Nevada to Olmsted AFB, Pennsylvania, after departing Selfridge AFB, Michigan suffers fuel starvation NE of Pittsburgh, Pennsylvania in mid-afternoon, attempts to divert to Greater Pittsburgh AFB, ditches in the Monongahela River at the 4.9-mile (7.9 km) marker ...

  7. Pittsburgh Coal Company - Wikipedia

    en.wikipedia.org/wiki/Pittsburgh_Coal_Company

    The Pittsburgh Terminal Coal Company was a bituminous coal mining company based in Pittsburgh and controlled by the Mellon family. [1] It operated mines in the Pittsburgh Coalfield, including mines in Becks Run and Horning, Pennsylvania. Unusually for that time in Pennsylvania, it hired African-American miners for some of its work. [2] [3]

  8. Freeport-McMoRan - Wikipedia

    en.wikipedia.org/wiki/Freeport-McMoRan

    Freeport-McMoRan Inc., often called Freeport, is an American mining company based in the Freeport-McMoRan Center, in Phoenix, Arizona.The company is the world's largest producer of molybdenum, a major copper producer and operates the world's largest gold mine, the Grasberg mine in Papua, Indonesia.

  9. Pittsburgh-Butler Regional Airport - Wikipedia

    en.wikipedia.org/wiki/Pittsburgh-Butler_Regional...

    Pittsburgh-Butler Regional Airport covers an area of 304 acres (123 ha). It contains one asphalt paved runway designated 8/26, which measures 4,801 by 100 feet (1,463 by 30 m). For the 12-month period ending June 15, 2020, the airport had 74,386 aircraft operations, an average of 204 per day: 98% general aviation , 2% air taxi and <1% military.