# Relationship history for MSHA mine 1516345

Current hierarchy: **Parsons Loyall-Dale → W & P Coal Company Inc → Mine No 5**

- 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:** Elmer  Jent → Mine No 5; 1984-06-27 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Parsons Loyall-Dale Et Al → Mine No 5; 1985-09-12 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Sharcau Inc → Mine No 5; 1988-03-01 to 1988-11-30; source msha-controller-operator-history
- **controller_controls_mine:** Caudill Lee H → Mine No 5; 1988-03-01 to 1988-11-30; source msha-controller-operator-history
- **controller_controls_operator:** Caudill Lee H → Sharcau Inc; 1988-03-01 to 1988-11-30; source msha-controller-operator-history
- **operator_operates_mine:** Jent & Franks Coal Company Inc → Mine No 5; 1988-12-01 to 1989-06-05; source msha-controller-operator-history
- **controller_controls_operator:** Elmer  Jent → Jent & Franks Coal Company Inc; 1988-12-01 to 1989-06-05; source msha-controller-operator-history
- **operator_operates_mine:** Jayco Mining Inc → Mine No 5; 1989-06-06 to 1990-10-25; source msha-controller-operator-history
- **controller_controls_mine:** Collier Jack → Mine No 5; 1989-06-06 to 1990-10-25; source msha-controller-operator-history
- **controller_controls_operator:** Collier Jack → Jayco Mining Inc; 1989-06-06 to 1990-10-25; source msha-controller-operator-history
- **operator_operates_mine:** W & P Coal Company Inc → Mine No 5; 1990-10-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Parsons Loyall-Dale Et Al → W & P Coal Company Inc; 1990-10-26 to current/open; source msha-controller-operator-history