# Relationship history for MSHA mine 2402558

Current hierarchy: **Almonty Industries Corp → Apex Garnet Inc → Apex**

- 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

- **operator_operates_mine:** Apex Abrasives Inc → Apex; 2009-09-09 to 2026-04-07; source msha-controller-operator-history
- **controller_controls_mine:** Ernest E  Nelson  et al → Apex; 2009-09-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ernest E  Nelson  et al → Apex Abrasives Inc; 2009-09-09 to 2026-04-07; source msha-controller-operator-history
- **controller_controls_operator:** John J  Womack  et al → Apex Abrasives Inc; 2009-09-09 to 2026-04-07; source msha-controller-operator-history
- **controller_controls_operator:** Dirk E  Nelson  et al → Apex Abrasives Inc; 2009-09-09 to 2026-04-07; source msha-controller-operator-history
- **operator_operates_mine:** Apex Garnet Inc → Apex; 2026-04-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Almonty Industries Corp → Apex; 2026-04-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Almonty Industries Corp → Apex Garnet Inc; 2026-04-08 to current/open; source msha-controller-operator-history