# Relationship history for MSHA mine 3607369

Current hierarchy: **Long Paul R → Rocky Top Coal → No 1 Slope**

- 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:** Derck Randall Et Al → No 1 Slope; 1980-11-01 to 1989-07-04; source msha-controller-operator-history
- **operator_operates_mine:** Lone Pine Coal Company → No 1 Slope; 1982-09-01 to 1989-07-04; source msha-controller-operator-history
- **controller_controls_operator:** Derck Randall Et Al → Lone Pine Coal Company; 1982-09-01 to 1989-07-04; source msha-controller-operator-history
- **operator_operates_mine:** Moore Coal Company → No 1 Slope; 1989-07-05 to 1989-12-18; source msha-controller-operator-history
- **controller_controls_mine:** Moore William W Jr → No 1 Slope; 1989-07-05 to 1989-12-18; source msha-controller-operator-history
- **controller_controls_operator:** Moore William W Jr → Moore Coal Company; 1989-07-05 to 1989-12-18; source msha-controller-operator-history
- **operator_operates_mine:** Rocky Top Coal → No 1 Slope; 1989-12-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Long Paul R → No 1 Slope; 1989-12-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Long Paul R → Rocky Top Coal; 1989-12-19 to current/open; source msha-controller-operator-history