# Relationship history for MSHA mine 1514305

Current hierarchy: **Muse Zie → G & G Mining → #1**

- 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:** G & G Mining → #1; 1983-10-01 to 1984-01-11; source msha-controller-operator-history
- **controller_controls_mine:** Gibson Jim Et Al → #1; 1983-10-01 to 1984-01-11; source msha-controller-operator-history
- **controller_controls_operator:** Gibson Jim Et Al → G & G Mining; 1983-10-01 to 1984-01-11; source msha-controller-operator-history
- **operator_operates_mine:** G & G Mining → #1; 1984-01-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Muse Zie Et Al → #1; 1984-01-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Muse Zie Et Al → G & G Mining; 1984-01-12 to current/open; source msha-controller-operator-history