Within the Department of the Environment, the Mining Program of the Water Management Administration oversees mining and mineral production in Maryland.
Metric Tons
| 2002 | 2003 | 2004 | 2005 | 2006 | |
| Stone (Crushed) | 22,300,000 | 26,200,000 | 35,300,000 | 33,100,000 | 32,000,000 |
| Stone (Dimension) | 21,000 | 24,000 | 27,000 | 26,000 | 14,000 |
| Sand and gravel | 12,200,000 | 11,800,000 | 12,700,000 | 12,300,000 | 11,900,000 |
| Cement, portland | 1,880,000 | 2,220,000 | 2,520,000 | 3,550,000 | 2,650,000 |
| Clays, common | 268,000 | 269,000 | 262,000 | 317,000 | 286,000 |
| 1997 | 1998 | 1999 | 2000 | 2001 | |
| Stone (Crushed) | 24,700,000 | 24,300,000 | 22,200,000 | 22,000,000 | 22,800,000 |
| Stone (Dimension) | 21,500 | 23,100 | 26,000 | 28,700 | 27,500 |
| Sand and gravel | 10,100,000 | 10,400,000 | 8,970,000 | 13,100,000 | 12,500,000 |
| Cement, portland | 1,790,000 | 1,760,000 | 1,730,000 | 1,760,000 | 1,720,000 |
| Clays, common | 287,000 | 339,000 | 335,000 | 271,000 | 266,000 |
Value
| 2002 | 2003 | 2004 | 2005 | 2006 | |
| Stone (Crushed) | $141,000,000 | $165,000,000 | $214,000,000 | $274,000,000 | $317,000,000 |
| Stone (Dimension) | $2,120,000 | $2,700,000 | $9,580,000 | $3,010,000 | $1,750,000 |
| Sand and gravel | $83,500,000 | $79,900,000 | $75,500,000 | $89,500,000 | $96,700,000 |
| Cement, portland | $140,000,000 | $147,000,000 | $175,000,000 | $210,000,000 | $237,000,000 |
| Clays, common | $550,000 | $550,000 | $571,000 | $686,000 | $851,000 |
| 1997 | 1998 | 1999 | 2000 | 2001 | |
| Stone (Crushed) | $161,000,000 | $141,000,000 | $121,000,000 | $145,000,000 | $136,000,000 |
| Stone (Dimension) | $2,440,000 | $2,730,000 | $3,160,000 | $3,560,000 | $3,440,000 |
| Sand and gravel | $65,400,000 | $60,500,000 | $56,500,000 | $84,700,000 | $84,800,000 |
| Cement, portland | $115,000,000 | $123,000,000 | $124,000,000 | $125,000,000 | $124,000,000 |
| Clays, common | $1,010,000 | $1,380,000 | $1,380,000 | $982,000 | $560,000 |
* Industrial minerals are those used in large-scale public works or commercial projects.
| 2004 | 2005 | 2006 | 2007 | |
|---|---|---|---|---|
| Coal (tons) | 5,200,000 | 5,200,000 | 5,054,000 | 2,301,000 |
| Natural Gas (cubic feet) | 34,000,000 | 46,000,000 | 48,000,000 | 35,000,000 |
? Copyright Maryland State Archives
1997
1998
Coal (tons)
4,156,671
4,018,419
Natural Gas (million cubic feet)
117,749
63,077
Value
2004
2005
Coal (tons)
$127,816,000 (est.)
$148,460,000 (est.)
Natural Gas (cubic feet)
$211,000 (est.)
$342,000 (est.)
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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e-mail: mdmanual@mdarchives.state.md.us