# Relationship history for MSHA mine 0301246

Current hierarchy: **Hanna L H → Hanna Resources Inc → Mine #2**

- 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:** Multi-Minerals Corp → Mine #2; 1976-01-01 to 1984-10-30; source msha-controller-operator-history
- **controller_controls_mine:** Brickey William C → Mine #2; 1976-01-01 to 1984-10-30; source msha-controller-operator-history
- **controller_controls_operator:** Brickey William C → Multi-Minerals Corp; 1976-01-01 to 1984-10-30; source msha-controller-operator-history
- **controller_controls_mine:** Hanna L H → Mine #2; 1984-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Hanna Resources Inc → Mine #2; 1984-10-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hanna L H → Hanna Resources Inc; 1984-10-31 to current/open; source msha-controller-operator-history