| U.S. Silver-Idaho, Inc. | Galena | ID | 57.11001 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.8528 |
| Rockhead Consulting LLC | Ima Mine | ID | 57.14100(c) |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | 57.14103(b) |
| Idavue Minerals LLC | Idavue Minerals LLC | ID | 56.14107 |
| Idavue Minerals LLC | Idavue Minerals LLC | ID | 56.14112(b) |
| DePatco, Inc. | 3805 Cone Crushing Plant 209 pit | ID | 56.14130(g) |
| Mickelsen Construction, Inc | Plant 1 | ID | 56.14107(a) |
| J R Simplot Company | Smoky Canyon Mine | ID | 56.14100(c) |
| Walters Ready Mix Inc | Teton Pit | ID | 56.14101(a)(2) |
| Silver Valley Metals Corp. | BUNKER HILL MINE | ID | 47.41(a) |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.12030 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.3360 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.12018 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.12013(a) |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.12018 |
| POCATELLO READY MIX, INC. | POCATELLO PIT | ID | 56.4201(a)(2) |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.4504(b) |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.4504(b) |
| Rockhead Consulting LLC | Ima Mine | ID | 57.4360(a) |
| Thompson Creek Mining Company | Thompson Creek Mine | ID | |
| Avail Valley Construction-ID, LLC | The Crusher | ID | 56.14132(a) |
| H & B Crushing LLC | Plant #3 | ID | |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | |
| Sidney Resources Corporation | Lucky Ben Mine | ID | 57.14107(a) |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | 57.14107(a) |
| Sidney Resources Corporation | Lucky Ben Mine | ID | 57.14107(a) |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | 57.14107(a) |
| Sidney Resources Corporation | Lucky Ben Mine | ID | 57.14107(a) |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | 57.14107(a) |
| Hecla Limited | Lucky Friday | ID | |
| U.S. Silver-Idaho, Inc. | Galena | ID | |
| J R Simplot Company | Smoky Canyon Mine | ID | 56.14100(b) |
| Severance Sand & Gravel Inc. | Severance | ID | 56.14107(a) |
| Severance Sand & Gravel Inc. | Severance | ID | 56.14107(a) |
| Severance Sand & Gravel Inc. | Severance | ID | 56.14108 |
| Severance Sand & Gravel Inc. | Severance | ID | 56.14107(a) |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.14100(b) |
| Silver Valley Metals Corp. | BUNKER HILL MINE | ID | 57.14110 |
| Walters Ready Mix, Inc. | Thornton | ID | 56.14132(a) |
| Walters Ready Mix, Inc. | Thornton | ID | 56.14107(a) |
| Mickelsen Construction, Inc | Plant 1 | ID | 56.14132(b) |
| Action Gravel Enterprises LLC | Action Gravel Enterprises LLC | ID | 56.14100(b) |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.14100(b) |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.14100(c) |
| Idaho Materials and Construction | IMC Pocatello Portable Screening Plant | ID | 56.14103(b) |
| J R Simplot Company | Smoky Canyon Mine | ID | 56.14107(a) |
| J R Simplot Company | Smoky Canyon Mine | ID | 56.14132(a) |
| J R Simplot Company | Smoky Canyon Mine | ID | 56.14115(b) |
| Kapp Construction & Development | Portable #1 | ID | 56.9301 |
| Avail Valley Construction-ID, LLC | The Crusher | ID | 56.11002 |
| Rockhead Consulting LLC | Ima Mine | ID | 57.5060(b)(3) |
| Turner Mining Group | Bayer Quartzite Quarry | ID | 56.5001(a)/56.5005 |
| Knife River Corporation Mountain West | Crusher #2 | ID | 56.5001(a)/56.5005 |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | 57.18002 |
| Mountain West Products LLC | Siddoway Pit | ID | 56.11001 |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | 57.11053 |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | 48.3(a) |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.5001(a)/57.5005 |
| Bridger Rock, LLC | Little Mountain Gravel Pit | ID | 56.15002 |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | 57.3203(b)(2) |
| Environmental Specialties International, Inc. | BFB & Ballard Mines | ID | 56.9101 |
| Hecla Limited | Lucky Friday | ID | 57.20011 |
| Crescent Silver L.L.C. | Crescent Mine | ID | 57.20031 |
| Crescent Silver L.L.C. | Crescent Mine | ID | 57.11058 |
| Idaho Erosion Control Inc. | Rock Ridge Resources | ID | 56.9300(a) |
| The Pit, LLC | The Pit | ID | 56.9300(a) |
| DeAtley Crushing Company | Plant #7 | ID | 56.20003(a) |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.4504(b) |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.12018 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.12083 |
| Premier LLC | Rock Force 1 | ID | 56.4200(b)(2) |
| DePatco, Inc. | 3805 Cone Crushing Plant 209 pit | ID | 56.5002 |
| DePatco, Inc. | 3805 Cone Crushing Plant 209 pit | ID | 56.5001(a)/56.5005 |
| DePatco, Inc. | 3805 Cone Crushing Plant 209 pit | ID | 56.5001(a)/56.5005 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.5002 |
| Avail Valley Construction-ID, LLC | The Crusher | ID | 46.9(c)(3) |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | 57.16005 |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | 57.11004 |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | 57.12008 |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | 57.16005 |
| Sidney Resources Corporation | Lucky Ben Mine | ID | 57.1000 |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | 57.12008 |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | 57.4260(a) |
| TLC Rock Products, Inc. | PORTABLE CRUSHER #1 | ID | 50.30(a) |
| U.S. Silver-Idaho, Inc. | Galena | ID | |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.19133 |
| Edstrom Construction | Cedar Rapids Crusher | ID | 50.30(a) |
| U.S. Silver-Idaho, Inc. | Galena | ID | |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.12028 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 50.10(d) |
| Caribou County Road & Bridge | Caribou County Portable Crusher | ID | 50.30(a) |
| U.S. Silver-Idaho, Inc. | Galena | ID | 50.10(d) |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.12018 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.12018 |
| Suncore Construction and Materials, Inc. | Mobile impact crusher | ID | 50.30(a) |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.4761 |
| Silver Valley Metals Corp. | BUNKER HILL MINE | ID | 57.4601 |
| Silver Valley Metals Corp. | BUNKER HILL MINE | ID | 57.4104(b)(2) |
| Silver Valley Metals Corp. | BUNKER HILL MINE | ID | 57.12035 |
| Silver Valley Metals Corp. | BUNKER HILL MINE | ID | 57.12018 |
| Silver Valley Metals Corp. | BUNKER HILL MINE | ID | 57.12032 |
| Bingham County Road & Bridge | Bingham County Portable Plant | ID | 56.12004 |
| Bingham County Road & Bridge | Bingham County Portable Plant | ID | 56.11003 |
| Silver Valley Metals Corp. | BUNKER HILL MINE | ID | 57.12032 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.12019 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.12004 |
| Mickelsen Construction, Inc | Plant 1 | ID | 56.12004 |
| Mickelsen Construction, Inc | Plant 1 | ID | 56.12013 |
| RHODEHOUSE CONSTRUCTION, Inc. | EAST RIVER | ID | 56.12028 |
| RHODEHOUSE CONSTRUCTION, Inc. | EAST RIVER | ID | 47.41(a) |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.12018 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.11001 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.15001 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.20003(a) |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.4502(a) |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.15006 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.12008 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.15001 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.8528 |
| Suncore Construction and Materials | Crusher and Wash Plant 587 | ID | 56.12013 |
| DeAtley Crushing Co | Plant #2 | ID | 56.11001 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.12018 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.4602 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.3201 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.3201 |
| Idaho Materials and Construction | IMC Pocatello Portable Screening Plant | ID | 56.4201(a)(2) |
| Idaho Materials and Construction | IMC Pocatello Portable Screening Plant | ID | 56.12004 |
| Idaho Materials and Construction | IMC Pocatello Portable Screening Plant | ID | 47.41(a) |
| Rockhead Consulting LLC | Ima Mine | ID | 57.4361(b)(1) |
| Treasure Canyon Calcium Co Inc | Treasure Canyon Mill #2 | ID | 62.130(a) |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.4104(b)(1) |
| Lone Pine Natural Stone, LLC | Birch Creek | ID | 50.30(a) |
| Sawtooth Stone LLC | Birch Creek | ID | 50.30(a) |
| Crescent Silver L.L.C. | Crescent Mine | ID | 57.11050(a) |
| Diamondback Underground, LLC | Crescent Mine | ID | 57.11058 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.12030 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.20013 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.4104(b)(1) |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.16003 |
| J R Simplot Company | Smoky Canyon Mine | ID | 56.14107(a) |
| Treasure Canyon Calcium Co Inc | Treasure Canyon Mill #2 | ID | 56.14115(b) |
| Kapp Construction & Development | Portable #1 | ID | 56.14107(a) |
| Parker's Sand & Gravel Inc | Parker's Sand & Gravel Inc | ID | 56.14100(b) |
| H-K Contractors, Inc. | Portable Crusher 134 | ID | 56.14130(i) |
| H-K Contractors, Inc. | Portable Crusher 134 | ID | 56.14132(a) |
| Kiewit Mining Group | Husky 1, North Dry Ridge | ID | 56.14101(a)(2) |
| Kiewit Mining Group | Husky 1, North Dry Ridge | ID | 56.14100(b) |
| Kiewit Mining Group | Husky 1, North Dry Ridge | ID | 56.14132(b)(1)(i) |
| H-K Contractors, Inc. | Portable Crusher 133 | ID | 56.14107(a) |