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  2. List of quarries in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_quarries_in_the...

    Owens Quarry, a limestone quarry and crusher plant near Marion, Ohio, around which the community of Owens, Ohio grew. Ridgeway Site, in Hardin County, Ohio, a former archaeological site which, during excavation of its gravel, yielded numerous artifacts and buried bodies of the Glacial Kame culture, for which it is the type site.

  3. Crushing plant - Wikipedia

    en.wikipedia.org/wiki/Crushing_plant

    The crushed stone materials are conveyed to crushing plant by belt conveyor for secondary crushing before they are sent to vibrating screen to be separated. After separating, qualified materials will be taken away as final products, while unqualified materials will be carried back to the stone crushing equipment for recrushing.

  4. Michigan Limestone and Chemical Company - Wikipedia

    en.wikipedia.org/wiki/Michigan_Limestone_and...

    Most of the stone mined at the Rogers City quarry was shipped on lake freighters to steel mills located along the lower Great Lakes at places like Detroit, Cleveland, Gary, and South Chicago. For most of the plant's history, its biggest customer was United States Steel (also known as U.S. Steel), the world's largest producer of steel products.

  5. Crushed stone - Wikipedia

    en.wikipedia.org/wiki/Crushed_stone

    Crushed stone or angular rock is a form of construction aggregate, typically produced by mining a suitable rock deposit and breaking the removed rock down to the desired size using crushers. It is distinct from naturally occurring gravel , which is produced by natural processes of weathering and erosion and typically has a more rounded shape.

  6. Oldcastle Materials - Wikipedia

    en.wikipedia.org/wiki/Oldcastle_Materials

    Oldcastle Materials Inc. is a supplier of asphalt, concrete, and other building materials, and also offers construction and paving services. The Atlanta-based company is a subsidiary of CRH plc, a publicly traded international group of diversified building materials businesses, [2] [3] and has approximately 18,000 employees at 1,200 locations, as of March 2018.

  7. Crusher - Wikipedia

    en.wikipedia.org/wiki/Crusher

    A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, sand or rock dust.. Crushers may be used to reduce the size, or change the form, of waste materials so they can be more easily disposed of or recycled, or to reduce the size of a solid mix of raw materials (as in rock ore), so that pieces of different composition can be differentiated.

  8. FDNY unions say congestion toll will hurt response times ...

    www.aol.com/news/fdny-unions-congestion-toll...

    The city’s hated new congestion toll could dangerously delay FDNY response times — meaning the “difference between life and death,” unions repping thousands of Bravest warned Sunday. The ...

  9. Shell Pennsylvania Petrochemicals Complex - Wikipedia

    en.wikipedia.org/wiki/Shell_Pennsylvania...

    Pennsylvania, Ohio and West Virginia engaged in a tax competition for the plant. In 2012, Pennsylvania structured a deal requiring Shell to invest at least $1 billion in Pennsylvania and create at least 2,500 construction jobs in exchange for a 25-year tax incentive of $66 million per year and tied to production, reducing Shell's tax by up to 20 per cent.