|
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 |
|
