# Relationship history for MSHA mine 1518209

Current hierarchy: **Jason  Hogg; Larissa  Bailey → Jarisa Inc → Rockhouse E-3 Mine**

- 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:** Paul M  Hogg → Rockhouse E-3 Mine; 1989-05-01 to 2025-03-18; source msha-controller-operator-history
- **operator_operates_mine:** Jarisa Inc → Rockhouse E-3 Mine; 1999-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Paul M  Hogg → Jarisa Inc; 1999-09-01 to 2025-03-18; source msha-controller-operator-history
- **controller_controls_mine:** Larissa  Bailey et al → Rockhouse E-3 Mine; 2025-03-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Larissa  Bailey et al → Jarisa Inc; 2025-03-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jason  Hogg et al → Jarisa Inc; 2025-03-19 to current/open; source msha-controller-operator-history