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| Company Name: | BLACKHAWK MINING, LLC |
| Employer identification number (EIN): | 364948585 |
| NAIC Classification: | 213110 |
| NAIC Description: | Support Activities for Mining |
The following addresses have been detected on the 401k submissions:
| USA Location Address | |||||
|---|---|---|---|---|---|
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| Date first seen: 2007-01-01 | |||||
| Date last seen: 2025-11-20 | |||||
| USA Mailing Address | |||||
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| Date first seen: 2008-07-01 | |||||
| Date last seen: 2025-11-20 | |||||
| USA Mailing Address | |||||
|---|---|---|---|---|---|
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| Date first seen: 2008-07-01 | |||||
| Date last seen: 2025-11-22 | |||||
| USA Mailing Address | ||||||
|---|---|---|---|---|---|---|
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| Date first seen: 2008-07-01 | ||||||
| Date last seen: 2025-09-16 | ||||||
| Plan id# | Plan Name | Plan Start Date | Plan Effective Date |
|---|---|---|---|
| 501 | BLACKHAWK MINING WELFARE PLAN | 2018-01-01 | 2018-01-01 |
| 001 | BLACKHAWK MINING RETIREMENT SAVINGS PLAN | 2019-09-09 | 2019-09-09 |
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