# Relationship history for MSHA mine 4400292

Current hierarchy: **Strouth Howard → E P Coal Company Inc → Pardee #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

- **operator_operates_mine:** Sunrise Coal Company Inc → Pardee #1; 1950-01-01 to 1978-03-20; source msha-controller-operator-history
- **controller_controls_mine:** Belco Petroleum Corp → Pardee #1; 1950-01-01 to 1978-03-20; source msha-controller-operator-history
- **controller_controls_operator:** Belco Petroleum Corp → Sunrise Coal Company Inc; 1950-01-01 to 1978-03-20; source msha-controller-operator-history
- **operator_operates_mine:** Greater Pardee Inc → Pardee #1; 1978-03-21 to 1978-10-31; source msha-controller-operator-history
- **controller_controls_mine:** Chapters Corp → Pardee #1; 1978-03-21 to 1979-09-27; source msha-controller-operator-history
- **controller_controls_operator:** Chapters Corp → Greater Pardee Inc; 1978-03-21 to 1978-10-31; source msha-controller-operator-history
- **operator_operates_mine:** W-E Coal Company Inc → Pardee #1; 1978-11-01 to 1979-07-29; source msha-controller-operator-history
- **controller_controls_mine:** Ervin William F → Pardee #1; 1978-11-01 to 1979-07-29; source msha-controller-operator-history
- **controller_controls_operator:** Ervin William F → W-E Coal Company Inc; 1978-11-01 to 1979-07-29; source msha-controller-operator-history
- **operator_operates_mine:** Greater Pardee Inc → Pardee #1; 1979-07-30 to 1979-09-27; source msha-controller-operator-history
- **controller_controls_operator:** Chapters Corp → Greater Pardee Inc; 1979-07-30 to 1979-09-27; source msha-controller-operator-history
- **operator_operates_mine:** N-S Corp → Pardee #1; 1979-09-28 to 1980-03-12; source msha-controller-operator-history
- **controller_controls_mine:** Scarborough James C → Pardee #1; 1979-09-28 to 1980-03-12; source msha-controller-operator-history
- **controller_controls_operator:** Scarborough James C → N-S Corp; 1979-09-28 to 1980-03-12; source msha-controller-operator-history
- **operator_operates_mine:** N-S Corp → Pardee #1; 1980-03-13 to 1981-03-09; source msha-controller-operator-history
- **controller_controls_mine:** Kennie Ray  Childers → Pardee #1; 1980-03-13 to 1981-03-09; source msha-controller-operator-history
- **controller_controls_operator:** Kennie Ray  Childers → N-S Corp; 1980-03-13 to 1981-03-09; source msha-controller-operator-history
- **operator_operates_mine:** E P Coal Company Inc → Pardee #1; 1981-03-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Strouth Howard → Pardee #1; 1981-03-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Strouth Howard → E P Coal Company Inc; 1981-03-10 to current/open; source msha-controller-operator-history