# Relationship history for MSHA mine 1519718

Current hierarchy: **Sev.en Global Investments a.s. → Redhawk Mining LLC → Redhawk #6**

- 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:** Thomas A  Potter et al → Redhawk #6; 2010-10-14 to 2013-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Blackhawk Mining LLC → Redhawk #6; 2013-07-01 to 2020-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Redhawk Mining LLC → Redhawk #6; 2013-08-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Blackhawk Mining LLC → Redhawk Mining LLC; 2013-08-03 to 2020-05-31; source msha-controller-operator-history
- **controller_controls_operator:** Thomas A  Potter et al → Redhawk Mining LLC; 2013-08-03 to 2013-06-30; source msha-controller-operator-history
- **controller_controls_operator:** John M  Potter et al → Redhawk Mining LLC; 2013-08-03 to 2013-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Sev.en Global Investments a.s. → Redhawk #6; 2020-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sev.en Global Investments a.s. → Redhawk Mining LLC; 2020-06-01 to current/open; source msha-controller-operator-history