# Relationship history for MSHA mine 4703387

Current hierarchy: **Tyler  Pope → Arlan Pope Construction Inc → Plant #3**

- 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:** Arlan J  Pope Sr → Plant #3; 1985-05-30 to 2008-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Arlan Pope Construction Inc → Plant #3; 2004-06-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Arlan J  Pope Sr → Arlan Pope Construction Inc; 2004-06-28 to 2008-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Arlan J  Pope Jr et al → Plant #3; 2009-01-01 to 2022-01-08; source msha-controller-operator-history
- **controller_controls_operator:** Arlan J  Pope Jr et al → Arlan Pope Construction Inc; 2009-01-01 to 2022-01-08; source msha-controller-operator-history
- **controller_controls_mine:** Tyler  Pope → Plant #3; 2022-01-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tyler  Pope → Arlan Pope Construction Inc; 2022-01-09 to current/open; source msha-controller-operator-history