# Relationship history for MSHA mine 1516317

Current hierarchy: **Pamela J  Allen → Jilco Inc → #2a**

- 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:** Carl R  Johnson et al → #2a; 1985-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** O'Dean  Holbrook → #2a; 1987-11-25 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** C C & J Coal Company Inc → #2a; 1988-03-01 to 1989-02-06; source msha-controller-operator-history
- **controller_controls_mine:** Caudill Emery → #2a; 1988-03-01 to 1989-02-06; source msha-controller-operator-history
- **controller_controls_operator:** Caudill Emery → C C & J Coal Company Inc; 1988-03-01 to 1989-02-06; source msha-controller-operator-history
- **controller_controls_mine:** Newsome Donald → #2a; 1988-05-10 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Dema Coal Company Inc → #2a; 1989-02-07 to 1989-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Carl R  Johnson et al → Dema Coal Company Inc; 1989-02-07 to 1989-07-25; source msha-controller-operator-history
- **operator_operates_mine:** D M & M Coal Company Inc → #2a; 1989-07-26 to 1990-04-24; source msha-controller-operator-history
- **controller_controls_operator:** Newsome Donald → D M & M Coal Company Inc; 1989-07-26 to 1990-04-24; source msha-controller-operator-history
- **operator_operates_mine:** Little O Coal Company Inc → #2a; 1990-04-25 to 1992-05-05; source msha-controller-operator-history
- **controller_controls_operator:** O'Dean  Holbrook → Little O Coal Company Inc; 1990-04-25 to 1992-05-05; source msha-controller-operator-history
- **operator_operates_mine:** Ran Ral Energy Inc → #2a; 1992-05-06 to 1993-06-27; source msha-controller-operator-history
- **controller_controls_mine:** Adams Ralph A Et Al → #2a; 1992-05-06 to 1993-06-27; source msha-controller-operator-history
- **controller_controls_operator:** Adams Ralph A Et Al → Ran Ral Energy Inc; 1992-05-06 to 1993-06-27; source msha-controller-operator-history
- **operator_operates_mine:** T H Mining Inc → #2a; 1993-06-28 to 1994-04-28; source msha-controller-operator-history
- **controller_controls_mine:** Perry Thelma → #2a; 1993-06-28 to 1994-04-28; source msha-controller-operator-history
- **controller_controls_operator:** Perry Thelma → T H Mining Inc; 1993-06-28 to 1994-04-28; source msha-controller-operator-history
- **operator_operates_mine:** Jimco Mining Inc → #2a; 1994-04-29 to 1995-05-16; source msha-controller-operator-history
- **controller_controls_mine:** Caudill Jim Iv → #2a; 1994-04-29 to 1995-05-16; source msha-controller-operator-history
- **controller_controls_operator:** Caudill Jim Iv → Jimco Mining Inc; 1994-04-29 to 1995-05-16; source msha-controller-operator-history
- **operator_operates_mine:** Jilco Inc → #2a; 1995-05-17 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Pamela J  Allen → #2a; 1995-05-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pamela J  Allen → Jilco Inc; 1995-05-17 to current/open; source msha-controller-operator-history