| Calendar Year Determined | Date of Incident | Mine Name | Operator Name | Mine ID | Location | Determination |
|---|---|---|---|---|---|---|
| 2024 | 12/19/2024 | Black Thunder | Thunder Basin Coal Company LLC | 48-00977 | Campbell, WY | Not Chargeable |
| 2024 | 12/16/2023 | The Casselman Mine | J&J Svonavec Excavating, Inc. | 36-10377 | Somerset, Pennsylvania | Not Chargeable |
| 2024 | 12/1/2023 | Orange Grove | CalPortland Company | 02-01203 | Pima, AZ | Not Chargeable |
| 2024 | 10/23/2023 | East Boulder Mine | Stillwater Mining Company | 24-01879 | Sweet Grass, MO | Not Chargeable |
| 2024 | 10/14/2023 | Coal Mountain #1 Surface | CM Energy Operations LP | 46-09062 | Wyoming County, WV | Not Chargeable |
| 2024 | 10/10/2023 | Balcones Quarry | Cemex Construction Materials South, LC | 41-00994 | New Braunfels, TX | Not Chargeable |
| 2024 | 10/9/2023 | The Chemours Company FC LLC | The Chemours Company FC LLC | 08-00225 | Starke, FL | Not Chargeable |
| 2024 | 10/3/2023 | Tremonton Portable | Box Elder County Road Department | 42-00979 | Tremonton, UT | Not Chargeable |
| 2024 | 10/2/2023 | Genesis Alkali @ Westvaco | Genesis Alkali, LLC | 48-00152 | Sweetwater, WY | Natural |
| 2024 | 6/29/2023 | Granite Mountain Quary #1 | McGeorge Contracting Company Inc | 03-00098 | Little Rock, AR | Natural |
| 2023 | 11/8/2023 | Harland Sand and Gravel | Burroughs Material Corp | 20-03199 | Hartland, MI | Natural |
| 2023 | 10/10/2023 | May-McCready Buttles Road Pit | Lewiston Sand and Gravel | 20-03035 | Atlanta, MI | Natural |
| 2023 | 9/7/2023 | Wrens Plant | KaMin LLC | 09-00143 | Wrens, GA | Natural |
| 2023 | 8/14/2023 | Trace Fork | Mark Energy LLC | 15-19872 | Letcher, KY | Natural |
| 2023 | 8/4/2023 | Buchanan Mine #1 | Buchanan Minerals | 44-04856 | Buchanan, VA | Natural |
| 2023 | 6/18/2023 | Boar Hammock Sand Mine | Stewart Materials | 08-01434 | Glades, FL | Natural |
| 2023 | 5/11/2023 | Carlota Copper Company | Carlota Copper Company | 02-02653 | Gila, AZ | Natural |
| 2023 | 5/6/2023 | Crane County Plant | U.S. Silica | 41-05331 | Crane, TX | Natural |
| 2023 | 4/27/2023 | Pete's Branch Surface Mine | Reflectance Energy, LLC | 46-07695 | Mingo, WV | Natural |
| 2023 | 4/12/2023 | Coleman Rock Quarry | Dolese Bros. Co. | 34-00405 | Coleman, OK | Natural |
| 2023 | 4/7/2023 | Freeport-McMoRan Morenci, Inc. | Freeport-McMoRan Morenci, Inc. | 02-00024 | Morenci, AZ | Accidental |
| 2023 | 3/14/2023 | Mobile Crusher #3 | Frontera Materials | 41-04292 | Hidalgo, TX | Natural |
| 2023 | 3/8/2023 |
Brooksville South Cement Plant |
Cemex Construction Materials Florida, LLC | 08-01287 | Brooksville, FL | Natural |
| 2023 | 3/16/2023 | Kingston Quarry | Trap Rock Industries, LLC | 28-00033 | Kingstown, NJ | Natural |
| 2023 | 2/21/2023 | Homer Pit | Trojan Sand and Gravel | 20-03535 | Homer, MI | Natural |
| 2023 | 2/14/2023 | Victorville Cement Plant | CEMEX Construction Materials Pacific, LLC | 04-00281 | Victorville, CA | Natural |
| 2023 | 2/13/2023 | US Vanadium-Benton, LLC | US Vanadium-Benton, LLC | 03-00261 | Benton, AR | Natural |
| 2023 | 2/1/2023 | Workman Creek Surface Mine | Republic Energy, LLC | 46-09475 | Clear Creek, WV | Natural |
| 2023 | 1/24/2023 | Chino Mine | Freeport McMoRan Chino Mines Company | 29-00708 | Vanadium, NM | Natural |
| 2023 | 1/10/2023 | CR9 | Oldcastle SW Group, Inc. | 05-04888 | Rifle, CO | Natural |
| 2023 | 1/3/2023 | Verde Gypsum Mine | Phoenix Cement | 02-00164 | Verde, AZ | Natural |
| 2023 | 12/17/2022 | Oak Growv Preparation Plant | Crimson Oak Grove Resources | 01-00329 | Bessemer, AL | Natural |
| 2023 | 12/16/2022 | Union Bridge | LeHigh Portland Cement Company | 18-00017 | Union Bridge, MD | Natural |
| 2023 | 12/2/2022 | Freeport McMoRan Morenci, Inc | Freeport McMoRan Morenci, Inc | 02-00024 | Morenci, AZ | Natural |
| 2023 | 11/29/2022 | Navajo Mine | Bisti Fuels Company, LLC | 29-00097 | San Juan, NM | Natural |
| 2023 | 11/28/2022 | Jones Mill Quarry | Martin Marietta Materials, Inc | 03-01586 | Malvern, AR | Natural |
| 2023 | 11/17/2022 | West Huntsville Quarry | Rogers Group, Inc | 01-03506 | Huntsville, AL | Natural |
| 2023 | 11/17/2022 | South Sterling Quarry | Pocono Sand and Stone | 36-08183 | Elmhurst Township, PA | Natural |
| 2023 | 11/9/2022 | Freeport-McMoran Morenci, Inc. | Freeport-McMoran Morenci, Inc. | 02-00024 | Morenci, AZ | Natural |
| 2023 | 10/29/2022 | Graymont (PA) Inc. | Graymont (PA) Inc. | 36-06468 | Bellefonte, PA | Natural |
| 2023 | 10/29/2022 | Upland Pit and Mill | Holliday Rock Company, Inc | 04-01808 | Upland, CA | Natural |
| 2023 | 10/25/2022 | Cave Run Stone | Hinkle Contracting Company, LLC | 15-07194 | West Liberty, KY | Natural |
| 2023 | 10/21/2022 | Skippers Mine, Culcan Construction Materials | Vulcan Construction Materials, LLC | 44-00136 | Skippers, VA | Not Noted |
| 2023 | 10/17/2022 | Holcim (US) Inc. - Ada Plant | Holcim (US) Inc. | 34-00023 | Ada, OK | Undetermined, Not Chargeable |
| 2023 | 9/30/2022 | Ki-Coal #1 Mine | Ki-Coal, Inc | 15-19281 | Bonnyman, KY | Not Noted |
| 2023 | 9/26/2022 | Patterson Mine and Mill, Imerys Mica Kings Mountain Inc | Imerys Mica Kings Mountain, Inc | 31-00274 | Kings Mountain, NC | Natural |
| 2023 | 9/7/2022 | Twilight MTR Surface Mine Twilight | Lexington Coal Holdings, LLC | 46-08645 | Twilight, WV | Natural |
| 2023 | 8/22/2022 | No.77 Mine, Blue Diamond Coal Company | Blue Diamond Coal Company | 15-09636 | Delphia, KY | Natural |
| 2023 | 8/18/2022 | Lila Canyon Mine | Emery County Coal Resources, Inc. | 42-02241 | East Carbon, UT | Accident |
| 2023 | 8/17/2022 | Belmont Sand and Gravel | Pike Industries, Inc | 27-00313 | Belmont, NH | Natural |
| 2023 | 7/27/2022 | Purdy Materials Lafayette | Purdy Materials, Inc | 12-02211 | Tippecanoe, IN | Natural |
| 2023 | 7/26/2022 | Bear Creek | Peninsula Topsoil | 45-03599 | Belfair, WA | Accidental |
| 2023 | 7/22/2022 | Lynn Branch No2 Mine | Aracoma Coal Company, LLC | 46-09575 | Holden, WV | Natural |
| 2023 | 7/19/2022 | Gramercy Operation | Atalco Gramercy, LLC | 16-00352 | Gramercy, LA | Natural |
| 2023 | 7/7/2022 | Marion County Mine | Marion County Coal Resources, Inc. | 46-01433 | Metz, WV | Accident |
| 2023 | 6/25/2022 | Laurel Branch Surface | Clintwood JOD, LLC | 44-07199 | Buchanan, VA | Natural |
| 2023 | 6/14/2022 | Harshman Construction LLC, Plant #4 | Harshman Construction, LLC | 14-01607 | Melvern, KS | Natural |
| 2023 | 6/7/2022 | Vulcan Materials, Shelbyville Quarry | Vulcan Materials Company | 40-03001 | Shelbyville, TN | Natural |
| 2023 | 6/7/2022 | Rose Mine | AEC Services Company, LLC | 36-09086 | Plymouth Meeting, PA | Natural |
| 2023 | 6/3/2022 | Glancy Surface Mine, Rockwell Mining, LLC | Rockwell Mining, LLC | 46-09377 | Wharton, WV | Natural |
| 2023 | 6/2/2022 | The Chemours Company FC LLC | The Chemours Company FC LLC | 08-00225 | Starke, FL | Natural |
| 2023 | 6/2/2022 | Frederick Quarry, Stuart M Perry Inc | Stuart M. Perry, Inc | 44-00093 | Winchester, VA | Natural |
| 2023 | 5/13/2022 | Minntac Mine | United States Steel Company-Minnesota Ore Operations | 21-00282 | Mountain Iron, MN | Natural |
| 2023 | 5/10/2022 | Weakley County Operation | Gleason Clay Company, LLC | 40-00188 | Gleason, TN | Natural |
| 2023 | 4/26/2022 | Black Thunder Mine | Thunder Basin Coal Company, LLC | 48-00977 | Wright, WY | Natural |
| 2023 | 3/31/2022 | Mount Hope Quarry, Tilcon NY, Inc. | Tilcon, NY, Inc | 28-00026 | Parsippany, NJ | Natural |
| 2023 | 3/18/2022 | Antioch Mine | Responsible Energy Operations | 12-02372 | Montgomery, IN | Natural |
| 2023 | 3/8/2022 | Apex Quarry and Plant | Lhoist North American of Arizona, Inc | 26-00081 | Las Vegas, NV | Natural |
| 2023 | 2/16/2022 | Active Minerals, Kaolin Division | Active Minerals International, LLC | 09-00959 | Gordon, GA | Natural |
| 2023 | 2/16/2022 | Goldrush | Nevada Gold Mines LLC | 26-02822 | Crescent Valley, NV | Natural |
| 2023 | 2/11/2022 | Freeport-McMoRan Morenci Inc. | Freeport-McMoRan Morenci Inc. | 02-00024 | Morenci, AZ | Natural |
| 2023 | 2/10/2022 | Weirsdale Sand Plan | Florida Rock Industries, Inc | 08-01244 | Weirsdale, FL | Natural |
| 2023 | 1/29/2022 | Ray Mine | ARSACO, LLC | 02-00150 | Kearny, AZ | Natural |
| 2023 | 1/25/2022 | Marigold Mine | Marigold Mining Co | 26-02081 | Valmy, NV | Natural |
| 2023 | 1/13/2022 | Holcim (US) Inc. | Holcim (US), Inc | 36-00271 | Whitehall, PA | Natural |
| 2023 | 1/7/2022 | Parkin Quarry | Farmington Mobile Crushing, LLC | 35-03724 | Forest Grove, OR | Natural |
| 2023 | 10/14/2021 | CE #2 | Clintwood JOD, LLC | 15-16734 | Feds Creek, KY | Natural |
| Calendar Year Determined | Date of Incident | Mine Name | Operator Name | Mine ID | Location | Determination |
|---|---|---|---|---|---|---|
| 2022 | 12/22/2021 | TRP-Sacramento Plant | Triangle Rock Products | 04-04772 | Glendale, CA | Natural |
| 2022 | 12/10/2021 | Cortez District | Nevada Gold Mines, LLC | 26-00827 | Elko, NV | Natural |
| 2022 | 12/1/2021 | Utelite Quarry | Aggregate Industries, SWR, Inc | 42-00071 | Coalville, UT | Natural |
| 2022 | 11/29/2021 | Bulls Mountain Mine #1 | Bulls Mountain Mine #1 | 24-01950 | Roundup, MT | Natural |
| 2022 | 10/29/2021 | Specialty Minerals, Inc | Specialty Minerals, Inc | 06-00019 | Canaan, CT | Accident |
| 2022 | 10/28/2021 | Meikle Mine | Nevada Gold Mines, LLC | 26-02246 | Carlin, NV | Natural |
| 2022 | 10/28/2021 | Marfork Preparation Plant | Marfork Coal Company, LLC | 46-08374 | Whitesville, WV | Natural |
| 2022 | 10/28/2021 | Marfork Preparation Plant | Marfork Coal Company, LLC | 46-08374 | Whitesville, WV | Natural |
| 2022 | 10/27/2021 | Metro Portable #1 | Knife River Corporation - Northwest | 35-03558 | St. Hellen's, OR | Natural |
| 2022 | 10/24/2021 | FreePort-McMoran Morenci, Inc | FreePort-McMoran Morenci, Inc | 02-00024 | Morenci, AZ | Natural |
| 2022 | 10/2/2021 | US Silica Operations Middleton Operations | US Silica Company | 40-02968 | Middleton, TN | Natural |
| 2022 | 10/1/2021 | Mt. Pass Mine and Mill | MP Mine Operations, LLC | 04-02542 | Mountain Pass, CA | Natural |
| 2022 | 9/2/2021 | Middleton Operations | US Silica Company | 40-02968 | Middleton, TN | Natural |
| 2022 | 8/4/2021 | Marshall Mine | Caddo Creek Resources Company, LLC | 41-04864 | Marshall, TX | Natural |
| 2022 | 7/31/2021 | Center Mine | BNI Coal, LTD | 32-00218 | Center, ND | Natural |
| 2022 | 7/6/2021 | FreePort-McMoran Morenci, Inc | FreePort-McMoran Morenci, Inc | 02-00024 | Morenci, AZ | Accident |
| 2022 | 6/19/2021 | Horizon Ag Products | Horizon Ag Products | 29-02278 | Cuba, NM | Natural |
| 2022 | 6/16/2021 | Newberry Cement Plant | Argos USA, LLC | 08-01277 | Newberry, FL | Natural |
| 2022 | 4/18/2021 | Goldstrike Mine | Nevada Gold Mine, LLC | 26-01089 | Elko, NV | Natural |
| Calendar Year Determined | Date of Incident | Mine Name | Operator Name | Mine ID | Location | Determination |
|---|---|---|---|---|---|---|
| 2021 | 10/16/2021 | Cumberland River Quarry | Pine Bluff Sand and Gravel Company | 15-18766 | Salem, KY | Natural |
| 2021 | 7/14/2021 | Quincy Plant | Huber Carbonates | 11-02627 | Quincy, IN | Natural |
| 2021 | 6/28/2021 | Pine Bluff Sand and Gravel | Four Corner's Material | 05-03178 | Durango, CO | Natural |
| 2021 | 6/28/2021 | Deep Mine 41 | Paramont Contura, LLC | 44-07223 | McClure, VA | Natural |
| 2021 | 6/23/2021 | Henderson Operations | Sharkey Transportation, Inc | 05-00790 | Parchall, CO | Natural |
| 2021 | 6/2/2021 | Big Island Mine & Refinery | Ciner Wyoming, LLC | 48-00154 | Green River, WY | Natural |
| 2021 | 6/1/2021 | Quickrete Company, Inc | Quickrete Company, Inc | 23-01597 | Valley Park, MO | Natural |
| 2021 | 5/3/2021 | Carmeuse Lime & Stone, Longview Operations | Carmeuse Lime & Stone | 01-00394 | Saginaw, AL | Natural |
| 2021 | 4/6/2021 | Marianna Plant #1874 | ACG Materials | 08-01267 | Marianna, FL | Natural |
| 2021 | 2/9/2021 | West Huntsville Mine | Rogers Group, Inc | 91-03506 | Madison, AL | Natural |
| 2021 | 1/28/2021 | Pleasant Gap Aggregate Plant | Glenn O. Hawbaker, Inc | 36-07433 | Pleasant Gap, PA | Natural |
| Calendar Year Determined | Date of Incident | Mine Name | Operator Name | Mine ID | Location | Determination |
|---|---|---|---|---|---|---|
| 2020 | 10/29/2020 | Omya California | Omya Inc. | 0400167 | San Bernardino, CA | Natural Causes |
| 2020 | 2/4/2020 | Century Mine | American Energy Corporation | 3301070 | Monroe, OH | Natural Causes |
| 2020 | 2/18/2020 | East Ridge Plant & Geiseke Plant | Kyanite Mining Corp | 4403743 | Buckingham, VA | Natural Causes |
| 2020 | 4/30/2019 | Wild Boar Mine | Peabody Wild Boar Mining, LLC | 1202441 | Warrick County, IN | Natural Causes |
| 2020 | 1/31/2019 | Mallard Creek Quarry | Martin Marietta Materials, Inc | 3102006 | Mecklenburg County, NC | Natural Causes |
| 2020 | 9/14/2019 | The Chemours Company FC LLC | The Chemours Company FC LLC | 800225 | Clay, FL | Natural Causes |
| 2020 | 11/21/2019 | GCC Rio Grande, Inc. | Freeport-McMoRan Chino Mines Company | 2900708 | Grant, NM | Natural Causes |
| 2020 | 9/12/2019 | Slate Sand | Slate Sand Company Inc. | 3101989 | Surry, NC | Natural Causes |
| 2020 | 12/26/2019 | Lightle Sand Pit | Lightle Sand & Construction LLC | 3400527 | Kingfisher, OK | Natural Causes |
| 2020 | 2/7/2020 | TRP-Sacramento Plant | Triangle Rock Products | 04-04772 | Sacramento, CA | Natural Causes |
| 2020 | 1/29/2020 | Swift Creek Mine | Nutrien | 08-00798 | Hamilton, FL | Natural Causes |
| 2020 | 1/29/2020 | No. 5 | MRM MINING INC. | 15-19724 | Floyd, KY | Natural Causes |
| 2020 | 2/8/2020 | Morenci Mine | Freeport-McMoRan Morenci INC. | 0200024 | Greenlee, AZ | Drug Overdose |
| 2020 | 2/24/2020 | Genesis | Nevada Gold Mines, LLC | 2600062 | Eureka, NV | Natural Causes |
| 2020 | 1/5/2020 | Black Thunder Mine | Thunder Basin Coal Company LLC | 4800977 | Campbell, WY | Natural Causes |
| 2020 | 5/11/2020 | Irvington Quarry | Liter's Inc. | 1500044 | Breckinridge, KY | Natural Causes |
| 2020 | 5/4/2020 | Mine # 3 | Double Mountain Mining LLC | 1519268 | Bell, KY | Natural Causes |
| 2020 | 3/19/2020 | Lebec Cement Plant | National Cement Company Of California Inc. | 0400213 | Kern, CA | Natural Causes |
| 2020 | 4/28/2020 | Lila Canyon | Utah American Energy, Inc. | 4202241 | Carbon, UT | Natural Causes |
| 2020 | 4/17/2020 | Cedar Bluff | Sierra Frac Sand, LLC | 1601575 | Bossier, LA | Natural Causes |
| 2020 | 3/16/2020 | Ray Mine | Asarco LLC | 0200150 | Gila, AZ | Natural Causes |
| 2020 | 2/10/2020 | Rosebud Mining | Rosebud Mining Company | 3609437 | Indiana, PA | Natural Causes |
| 2020 | 6/4/2020 | Sterling Materials | Sterling Materials | 1518068 | Gallatin, KY | Natural Causes |
| 2020 | 7/15/2020 | Millville Quarry | Aggregate Industries | 4600027 | Jefferson, WV | Drug Overdose |
| 2020 | 8/11/2020 | Perry Pit | Memphis Stone & Gravel Company | 7700763 | Tate, MS | Natural Causes |
| 2020 | 8/19/2020 | Patriot Mine No. 2 | Patriot Mining, LLC | 4407137 | Wise, WV | Natural Causes |
| 2020 | 8/28/2020 | Deep Mine No. 44 | Paramont Contura, LLC | 4407308 | Dickenson, VA | Natural Causes |
| 2020 | 8/13/2020 | Wrens Plant | KaMin LLC | 0900143 | Jefferson, GA | Natural Causes |
| Calendar Year Determined | Date of Incident | Mine Name | Operator Name | Mine ID | Location | Determination |
|---|---|---|---|---|---|---|
| 2019 | 11/2/18 | Texas Quarry | Bluegrass Materials Company, LLC | 1800009 | Baltimore County, MD | Natural Causes |
| 2019 | 12/11/18 | Rockhampton #3 | Rockhampton Energy LLC | 1519702 | Bell County, KY | Natural Causes |
| 2019 | 11/7/18 | Big Island Mine & Refinery | Ciner Wyoming, LLC | 4800154 | Sweetwater County, WY | Natural Causes |
| 2019 | 12/2/18 | Craney Mine | Solar Sources Mining LLC | 1201732 | Daviess County, IN | Natural Causes |
| 2019 | 12/19/18 | Union Bridge MD | Lehigh Cement Company LLC | 1800017 | Carroll County, MD | Natural Causes |
| 2019 | 1/8/19 | Holden No 22 Prep Plant | Coal-Mac LLC | 4605909 | Logan County, WV | Natural Causes |
| 2019 | 1/14/19 | Jarisa Inc. Mine No. 1 | Jarisa Inc. | 1519684 | Pike County, KY | Natural Causes |
| 2019 | 11/29/18 | Hopkins Hill Sand & Stone | Hopkins Hill Sand & Stone LLC | 3700202 | Washington County, RI | Natural Causes |
| 2019 | 3/11/19 | Liberty Mine | Vigo Coal Operating Company LLC | 1202428 | Warrick County, IN | Natural Causes |
| 2019 | 12/11/18 | Houston Mill | Imerys Talc America, Inc. | 4102113 | Harris County, TX | Natural Causes |
| 2019 | 1/30/19 | Alpena Plant | Holcim US | 2000044 | Alpena County, MI | Natural Causes |
| 2019 | 3/4/19 | Amerikohl Strips Mine | Amerikohl Mining Inc. | 3609654 | Butler County, PA | Natural Causes |
| 2019 | 3/25/19 | Enlow Fork Mine | Consol Pennsylvania Coal Company LLC | 3607416 | Washington County, PA | Natural Causes |
| 2019 | 3/4/19 | Amerikohl Strips Mine | Amerikohl Mining Inc. | 3609654 | Butler County, PA | Natural Causes |
| 2019 | 6/5/19 | Lincoln County Quarry | Lincoln County Highway Department | 4000064 | Lincoln County, TN | Natural Causes |
| 2019 | 5/13/19 | Gold Bar | McEwen Mining Nevada, Inc. | 2602818 | Eureka County, NV | Rescission: Natural Causes |
| 2019 | 4/24/19 | EPB Strip | E P Bender Coal Company | 3608398 | Cambria County, PA | Natural Causes |
| 2019 | 3/4/19 | Clarkdale Facility | Phoenix Cement | 200001 | Yavapai County, AZ | Natural Causes |
| 2019 | 4/17/19 | Workman Creek Surface Mine | Republic Energy LLC | 4609475 | Raleigh County, WV | Natural Causes |
| 2019 | 2/2/19 | Louisville Plant Quarry & Mill | Ash Grove Cement Company | 2500002 | Cass County, NE | Natural Causes |
| 2019 | 3/31/19 | Lee Creek Mine | PCS Phosphate Company Inc | 3100212 | Beaufort County, NC | Natural Causes |
| 2019 | 4/19/19 | Little Rock Plant | Holiday Rock Company Inc | 0401690 | Los Angeles County, CA | Natural Causes |
| 2019 | 6/12/19 | No.8 | Black Pearl Mining Inc | 1517982 | Pike Couinty, KY | Natural Causes |
| 2019 | 10/11/2018 | Florida Canyon Mine | Florida Canyon Mining Inc. | 2601947 | Pershing County, NV | Natural Causes |
| 2019 | 7/8/2019 | Canby Sand & Gravel DBA | CalPortland Company | 3500497 | Clackamas County, OR | Natural Causes |
| 2019 | 12/6/2018 | Strasburg Quarry | O-N Minerals (Chemstone Company) | 4400026 | Shenandoah County, VA | Natural Causes |
| 2019 | 6/19/2019 | Antelope Coal Mine | Antelope Coal LLC | 4801337 | Converse County, WY | Natural Causes |
| 2019 | 6/10/2019 | Bull Branch Mine | Tennco, Inc. | 1519848 | Bell County, KY | Natural Causes |
| 2019 | 4/14/2019 | Liberty Mine | Luminant Mining Company LLC | 4104964 | Rusk County, TX | Natural Causes |
| 2019 | 2/9/2019 | Beulah Mine | Westmoreland Beulah Mining LLC | 3200043 | Mercer County, ND | Natural Causes |
| 2019 | 8/14/2019 | Mason City Plant | Lehigh Cement Company LLC | 1300095 | Cerro Gordo County, IA | Natural Causes |
| Calendar Year Determined | Date of Incident | Mine Name | Operator Name | Mine ID | Location | Determination |
|---|---|---|---|---|---|---|
| 2018 | 8/8/18 | Mill/Autoclave Operations | Barrick Goldstrike Mines Inc. | 2602674 | Eureka County, NV | Natural Causes |
| 2018 | 9/13/18 | Bailey Mine | Consol Pennsylvania Coal Company LLC | 3607230 | Greene County, PA | Natural Causes |