# Relationship history for MSHA mine 2002654

Current hierarchy: **Rafferty Sue → E R M Contracting Company Inc → Gooding Pit**

- 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:** Gilliland William → Gooding Pit; 1980-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Gilliland Construction Inc → Gooding Pit; 1981-06-01 to 1986-07-22; source msha-controller-operator-history
- **controller_controls_operator:** Gilliland William → Gilliland Construction Inc; 1981-06-01 to 1986-07-22; source msha-controller-operator-history
- **operator_operates_mine:** E R M Contracting Company Inc → Gooding Pit; 1986-07-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Rafferty Sue → Gooding Pit; 1986-07-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rafferty Sue → E R M Contracting Company Inc; 1986-07-23 to current/open; source msha-controller-operator-history
