MARYLAND AT A GLANCE

INDUSTRIAL MINERALS*

Metric Tons

	2001	2002	2003	2004	2005
Stone (Crushed)	22,800,000	22,300,000	26,200,000	35,300,000	33,500,000
Stone (Dimension)	27,500	21,000	24,000	27,000	26,000
Sand and gravel	12,500,000	12,200,000	11,800,000	12,700,000	12,300,000
Cement, portland	1,720,000	1,880,000	2,220,000	2,520,000	2,550,000
Clays, common	266,000	268,000	269,000	262,000	317,000

		1997	1998	1999	2000
Stone (Crushed)		24,700,000	24,300,000	22,200,000	22,000,000
Stone (Dimension)		21,500	23,100	26,000	28,700
Sand and gravel		10,100,000	10,400,000	8,970,000	13,100,000
Cement, portland		1,790,000	1,760,000	1,730,000	1,760,000
Clays, common		287,000	339,000	335,000	271,000

INDUSTRIAL MINERALS*

Value

	2001	2002	2003	2004	2005
Stone (Crushed)	$136,000,000	$141,000,000	$165,000,000	$214,000,000	$277,000,000
Stone (Dimension)	$3,440,000	$2,120,000	$2,700,000	$9,580,000	$3,010,000
Sand and gravel	$84,800,000	$83,500,000	$79,900,000	$75,500,000	$89,500,000
Cement, portland	$124,000,000	$140,000,000	$147,000,000	$175,000,000	$210,000,000
Clays, common	$560,000	$550,000	$550,000	$571,000	$686,000

		1997	1998	1999	2000
Stone (Crushed)		$161,000,000	$141,000,000	$121,000,000	$145,000,000
Stone (Dimension)		$2,440,000	$2,730,000	$3,160,000	$3,560,000
Sand and gravel		$65,400,000	$60,500,000	$56,500,000	$84,700,000
Cement, portland		$115,000,000	$123,000,000	$124,000,000	$125,000,000
Clays, common		$1,010,000	$1,380,000	$1,380,000	$982,000

*Industrial minerals are those used in large-scale public works or commercial projects.