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MARYLAND AT A GLANCE

MINERALS

PRODUCTION

  • Industrial Minerals
  • Fuel Minerals

    In 1999, Maryland ranked 34th among the 50 states for total nonfuel mineral production value at about $336 million and accounted for about 1 percent of the country's total production value. As per estimates of December 1999, crushed stone represented the leading nonfuel commodity, followed by portland cement, and sand and gravel.

    Within the Department of the Environment, the Mining Program of the Water Management Administration oversees mining and mineral production in Maryland.

    INDUSTRIAL MINERALS*
    Metric Tons

    1997 1998 1999 2000
    Stone
    crushed 31,451,404 29,255,901 28,091,876 36,071,043
    dimension
    [stone cut to size specifications]    		 25,156 29,609 61,379 33,929
    Sand and Gravel 12,764,562 16,471,027 16,007,955 25,012,679
    Industrial Sand 380,100 ** 27,500 27,100
    Clays 495,763 ** 31,516 243,878


    Value

    1997 1998 1999 2000
    Stone
    crushed $157,682,637 $144,870,641 $131,601,293 $136,350,601
    dimension
    [stone cut to size specifications]    		 $1,914,416 $2,395,013 $2,968,120 $2,813,548
    Sand and Gravel $23,450,449 $48,783,533 $49,371,534 $79,036,986
    Industrial Sand $380,300 ** $297,000 $256,600
    Clays $1,056,722 ** $1,033,354 $935,906

    * Industrial minerals are those used in large-scale public works or commercial projects.
    ** Data not available

    FUEL MINERALS
    Quantity

    1997 1998
    Coal (tons) 4,156,671 4,018,419
    Natural Gas (million cubic feet) 117,749 63,077


    Value

    1997 1998
    Coal (tons) $124,700,000 (est.) $120,642,420
    Natural Gas (million cubic feet) $236,000 (est.) $166,523

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     Maryland Manual On-Line, 2007

    July 6, 2007   
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