# Relationship history for MSHA mine 1517888

Current hierarchy: **Fred  Runyon Jr → Pond Creek Energy, Inc. → Mine #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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Dean  Francis → Mine #1; 1987-01-21 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mullins Dale & Tom Et Al → Mine #1; 1996-08-02 to 1997-05-04; source msha-controller-operator-history
- **operator_operates_mine:** M R M Mining Company Inc → Mine #1; 1997-01-01 to 1997-05-04; source msha-controller-operator-history
- **controller_controls_operator:** Mullins Dale & Tom Et Al → M R M Mining Company Inc; 1997-01-01 to 1997-05-04; source msha-controller-operator-history
- **operator_operates_mine:** A & A Francis Energy Inc → Mine #1; 1997-05-05 to 1997-07-23; source msha-controller-operator-history
- **controller_controls_operator:** Dean  Francis → A & A Francis Energy Inc; 1997-05-05 to 1997-07-23; source msha-controller-operator-history
- **operator_operates_mine:** Ray-Mac Contracting Inc → Mine #1; 1997-07-24 to 2000-12-03; source msha-controller-operator-history
- **controller_controls_mine:** Brian  Preece → Mine #1; 1997-07-24 to 2000-12-03; source msha-controller-operator-history
- **controller_controls_operator:** Brian  Preece → Ray-Mac Contracting Inc; 1997-07-24 to 2000-12-03; source msha-controller-operator-history
- **operator_operates_mine:** American Mining & Manufacturing Corp → Mine #1; 2000-12-04 to 2001-10-22; source msha-controller-operator-history
- **controller_controls_mine:** Timothy P  Smith → Mine #1; 2000-12-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Timothy P  Smith → American Mining & Manufacturing Corp; 2000-12-04 to 2001-10-22; source msha-controller-operator-history
- **operator_operates_mine:** Pond Creek Energy, Inc. → Mine #1; 2001-10-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Fred  Runyon Jr → Mine #1; 2001-10-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Fred  Runyon Jr → Pond Creek Energy, Inc.; 2001-10-23 to current/open; source msha-controller-operator-history