| 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 | |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.14100(b) |
| Silver Valley Metals Corp. | BUNKER HILL MINE | ID | 57.14110 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.14100(b) |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.14100(c) |
| Rockhead Consulting LLC | Ima Mine | ID | 57.5060(b)(3) |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | 57.18002 |
| 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 |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | 57.3203(b)(2) |
| 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 |
| 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 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.5002 |
| 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) |
| U.S. Silver-Idaho, Inc. | Galena | ID | |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.19133 |
| 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) |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| Rockhead Consulting LLC | Ima Mine | ID | 57.4361(b)(1) |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.4104(b)(1) |
| 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 |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | 57.14100(b) |
| Greyhound Mine & Milling, Inc. | Golden Eagle | ID | 56.14101(a)(2) |
| Delamar Mining Company | Delamar Mine | ID | 56.12028 |
| Rockhead Consulting LLC | Ima Mine | ID | 62.130(c) |
| Rockhead Consulting LLC | Ima Mine | ID | 57.4201(a)(5) |
| Crescent Silver L.L.C. | Crescent Mine | ID | 57.15030 |
| Rockhead Consulting LLC | Ima Mine | ID | 57.12008 |
| Rockhead Consulting LLC | Ima Mine | ID | 57.4402 |
| Rockhead Consulting LLC | Ima Mine | ID | 57.4201(a)(2) |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | 50.30(a) |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | 50.30(a) |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | 50.30(a) |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | 50.30(a) |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | 57.4102 |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | 57.11003 |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | 57.4501 |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | 57.9300(a) |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | 57.12004 |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | 57.12008 |
| Western Frontier Exploration & Mining | Lucky Ben Mine | ID | 57.4402 |
| Sidney Resources Corporation | Lucky Ben Mine | ID | 57.4101 |
| Sidney Resources Corporation | Lucky Ben Mine | ID | 57.4430(c)(1) |
| Sidney Resources Corporation | Lucky Ben Mine | ID | 57.4560(c) |
| Silver Valley Metals Corp. | BUNKER HILL MINE | ID | 57.11051(a) |
| U.S. Silver-Idaho, Inc. | Galena | ID | 47.41(a) |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.20013 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.11002 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.11012 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.12032 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.12018 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.4102 |
| Timberline Drilling Inc. | Galena | ID | 57.11054 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.12018 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.20032 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.20008(b) |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.12018 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.6102 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.20003(a) |
| Hecla Limited | Lucky Friday | ID | 57.12030 |
| Hecla Limited | Lucky Friday | ID | 57.12018 |
| Hecla Limited | Lucky Friday | ID | 57.6160(b)(3) |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.9307 |
| Crescent Silver L.L.C. | Crescent Mine | ID | 57.5071(d)(1) |
| Rockhead Consulting LLC | Ima Mine | ID | 57.4402 |
| Rockhead Consulting LLC | Ima Mine | ID | 57.12018 |
| Rockhead Consulting LLC | Ima Mine | ID | 57.12008 |
| U.S. Silver-Idaho, Inc. | Galena | ID | 57.11001 |