2007, Number of Active Mines (employee hours > 0) by State by Commodity (Data source: MSHA)
Count


Commodity based on CANVASS (recoded) Total
Coal Metal Nonmetal Stone Sand & gravel
State/ territory Alabama 66 2 17 85 81 251
Alaska 1 28 0 31 84 144
Arizona 2 23 31 99 284 439
Arkansas 2 6 24 108 58 198
California 0 17 45 154 395 611
Colorado 14 22 10 55 284 385
Connecticut 0 0 1 38 78 117
Delaware 0 1 0 0 8 9
Florida 0 2 24 123 63 212
Georgia 0 1 53 130 44 228
Hawaii 0 0 0 33 30 63
Idaho 0 14 13 42 171 240
Illinois 35 1 8 152 124 320
Indiana 47 0 9 108 150 314
Iowa 0 1 10 144 158 313
Kansas 3 0 13 109 91 216
Kentucky 577 0 12 102 22 713
Louisiana 2 2 19 5 127 155
Maine 0 0 0 32 179 211
Maryland 23 0 2 41 25 91
Massachusetts 0 0 2 49 109 160
Michigan 0 7 6 34 440 487
Minnesota 0 14 4 72 488 578
Mississippi 1 0 13 5 84 103
Missouri 2 7 15 249 97 370
Montana 7 15 7 55 216 300
Nebraska 0 0 1 14 149 164
Nevada 0 45 29 25 136 235
New Hampshire 0 0 0 26 104 130
New Jersey 0 1 1 21 57 80
New Mexico 6 10 32 59 123 230
New York 0 4 15 194 356 569
North Carolina 0 2 45 127 95 269
North Dakota 5 0 3 0 101 109
Ohio 86 1 19 127 189 422
Oklahoma 9 0 21 162 90 282
Oregon 0 6 12 183 105 306
Pennsylvania 417 1 11 373 113 915
Rhode Island 0 0 0 9 20 29
South Carolina 0 1 20 36 52 109
South Dakota 0 3 7 17 126 153
Tennessee 30 7 23 170 51 281
Texas 15 12 62 352 297 738
Utah 23 12 24 39 224 322
Vermont 0 0 1 109 86 196
Virginia 173 1 12 106 50 342
Washington 2 6 7 116 215 346
West Virginia 459 3 2 34 3 501
Wisconsin 0 0 3 211 401 615
Wyoming 23 0 37 11 137 208
Puerto Rico 0 0 0 60 29 89
Virgin Islands 0 0 0 3 0 3
Total 2030 278 725 4639 7199 14871

Page last updated: April 17, 2009
Page last reviewed: March 30, 2009
Content Source: National Institute for Occupational Safety and Health (NIOSH) Mining Division