# Relationship history for MSHA mine 4604676

Current hierarchy: **Joby  Fields → Mate Creek Development Company → Mine N0 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

- **controller_controls_mine:** Elmore Robert → Mine N0 2; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Red Jacket Coal Company Inc → Mine N0 2; 1975-01-01 to 1975-07-28; source msha-controller-operator-history
- **controller_controls_operator:** Elmore Robert → Red Jacket Coal Company Inc; 1975-01-01 to 1975-07-28; source msha-controller-operator-history
- **controller_controls_mine:** Burton Billy → Mine N0 2; 1975-06-24 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** B D S Coal Company Inc → Mine N0 2; 1975-07-29 to 1983-10-25; source msha-controller-operator-history
- **controller_controls_operator:** Burton Billy → B D S Coal Company Inc; 1975-07-29 to 1983-10-25; source msha-controller-operator-history
- **operator_operates_mine:** Draper Coal Company Inc → Mine N0 2; 1983-10-26 to 1984-11-13; source msha-controller-operator-history
- **controller_controls_mine:** Dotson Eddie Jr → Mine N0 2; 1983-10-26 to 1984-11-13; source msha-controller-operator-history
- **controller_controls_operator:** Dotson Eddie Jr → Draper Coal Company Inc; 1983-10-26 to 1984-11-13; source msha-controller-operator-history
- **operator_operates_mine:** Burgenwood Coal Corp → Mine N0 2; 1984-11-14 to 1985-05-22; source msha-controller-operator-history
- **controller_controls_mine:** Smith Bill G → Mine N0 2; 1984-11-14 to 1985-05-22; source msha-controller-operator-history
- **controller_controls_operator:** Smith Bill G → Burgenwood Coal Corp; 1984-11-14 to 1985-05-22; source msha-controller-operator-history
- **controller_controls_mine:** Workman Benjamin Et Al → Mine N0 2; 1985-04-03 to 1987-08-02; source msha-controller-operator-history
- **operator_operates_mine:** Precious Hope Coal Company → Mine N0 2; 1985-05-23 to 1986-03-18; source msha-controller-operator-history
- **controller_controls_mine:** Varney Cleophas → Mine N0 2; 1985-05-23 to 1986-03-18; source msha-controller-operator-history
- **controller_controls_operator:** Varney Cleophas → Precious Hope Coal Company; 1985-05-23 to 1986-03-18; source msha-controller-operator-history
- **operator_operates_mine:** Jim Dandy Coal Company Inc → Mine N0 2; 1986-03-19 to 1987-08-02; source msha-controller-operator-history
- **controller_controls_operator:** Workman Benjamin Et Al → Jim Dandy Coal Company Inc; 1986-03-19 to 1987-08-02; source msha-controller-operator-history
- **controller_controls_mine:** Joby  Fields → Mine N0 2; 1987-07-06 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mate Creek Development Company → Mine N0 2; 1987-08-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joby  Fields → Mate Creek Development Company; 1987-08-03 to current/open; source msha-controller-operator-history