# Relationship history for MSHA mine 1513819

Current hierarchy: **Simpson Herbert Gaston → Marie Enterprises Inc → Marie Enterprize Inc**

- 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:** Elliott Gary & Larry → Marie Enterprize Inc; 1982-04-01 to 1985-07-10; source msha-controller-operator-history
- **controller_controls_mine:** Marcum Zora → Marie Enterprize Inc; 1982-08-31 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** E & R Management Inc → Marie Enterprize Inc; 1982-11-01 to 1984-04-12; source msha-controller-operator-history
- **controller_controls_operator:** Elliott Gary & Larry → E & R Management Inc; 1982-11-01 to 1984-04-12; source msha-controller-operator-history
- **operator_operates_mine:** A & T Coal Company Inc → Marie Enterprize Inc; 1984-04-13 to 1985-08-13; source msha-controller-operator-history
- **controller_controls_operator:** Marcum Zora → A & T Coal Company Inc; 1984-04-13 to 1985-08-13; source msha-controller-operator-history
- **controller_controls_mine:** Mc Kiddy Reed → Marie Enterprize Inc; 1984-07-01 to 1985-12-22; source msha-controller-operator-history
- **operator_operates_mine:** R & R Coal Company → Marie Enterprize Inc; 1985-08-14 to 1985-08-25; source msha-controller-operator-history
- **controller_controls_operator:** Mc Kiddy Reed → R & R Coal Company; 1985-08-14 to 1985-08-25; source msha-controller-operator-history
- **operator_operates_mine:** R B Coal Company → Marie Enterprize Inc; 1985-08-26 to 1987-11-16; source msha-controller-operator-history
- **controller_controls_mine:** Bauer Rick Et Al → Marie Enterprize Inc; 1985-08-26 to 1987-11-16; source msha-controller-operator-history
- **controller_controls_operator:** Bauer Rick Et Al → R B Coal Company; 1985-08-26 to 1987-11-16; source msha-controller-operator-history
- **controller_controls_mine:** Simpson Herbert Gaston → Marie Enterprize Inc; 1986-01-22 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Marie Enterprises Inc → Marie Enterprize Inc; 1987-11-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Simpson Herbert Gaston → Marie Enterprises Inc; 1987-11-17 to current/open; source msha-controller-operator-history