# Relationship history for MSHA mine 4609294

Current hierarchy: **Jon  Nix → Active Resources, Inc. → Washington Mine**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Magnum Coal Company → Washington Mine; 2007-08-15 to 2008-07-22; source msha-controller-operator-history
- **operator_operates_mine:** Coyote Coal Company LLC → Washington Mine; 2008-07-15 to 2014-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Magnum Coal Company → Coyote Coal Company LLC; 2008-07-15 to 2008-07-22; source msha-controller-operator-history
- **controller_controls_mine:** Patriot Coal Corporation → Washington Mine; 2008-07-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Patriot Coal Corporation → Coyote Coal Company LLC; 2008-07-23 to 2014-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Blackhawk Mining LLC → Washington Mine; 2014-09-01 to 2020-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Hampden Coal, LLC → Washington Mine; 2015-01-01 to 2023-09-24; source msha-controller-operator-history
- **controller_controls_operator:** Blackhawk Mining LLC → Hampden Coal, LLC; 2015-01-01 to 2020-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Sev.en Global Investments a.s. → Washington Mine; 2020-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sev.en Global Investments a.s. → Hampden Coal, LLC; 2020-06-01 to 2023-09-24; source msha-controller-operator-history
- **controller_controls_mine:** Jon  Nix → Washington Mine; 2021-10-04 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Active Resources, Inc. → Washington Mine; 2023-09-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jon  Nix → Active Resources, Inc.; 2023-09-25 to current/open; source msha-controller-operator-history