# Relationship history for MSHA mine 4608018

Current hierarchy: **Rita Marie  Muncy; Serena  Meadows → Katelyn Coal Company → Gordie #3 (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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Cline Gordon & Gordie → Gordie #3 (1); 1982-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Gordie Coal Company Inc → Gordie #3 (1); 1991-04-01 to 1992-01-13; source msha-controller-operator-history
- **controller_controls_operator:** Cline Gordon & Gordie → Gordie Coal Company Inc; 1991-04-01 to 1992-01-13; source msha-controller-operator-history
- **operator_operates_mine:** Gordie Coal Company Inc → Gordie #3 (1); 1992-01-14 to 1997-03-11; source msha-controller-operator-history
- **controller_controls_mine:** Muncy Hershel → Gordie #3 (1); 1992-01-14 to 1997-03-11; source msha-controller-operator-history
- **controller_controls_operator:** Muncy Hershel → Gordie Coal Company Inc; 1992-01-14 to 1997-03-11; source msha-controller-operator-history
- **operator_operates_mine:** Katelyn Coal Company → Gordie #3 (1); 1997-03-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Rita Marie  Muncy et al → Gordie #3 (1); 1997-03-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rita Marie  Muncy et al → Katelyn Coal Company; 1997-03-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Serena  Meadows et al → Katelyn Coal Company; 1997-03-12 to current/open; source msha-controller-operator-history