# Relationship history for MSHA mine 3901365

Current hierarchy: **Ventling Lawrence M → Ventling Enterprises → Arcade**

- 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:** Mining Claims Management Company → Arcade; 1988-05-01 to 1988-12-15; source msha-controller-operator-history
- **controller_controls_mine:** Ventling Lawrence M → Arcade; 1988-05-01 to 1988-12-15; source msha-controller-operator-history
- **controller_controls_operator:** Ventling Lawrence M → Mining Claims Management Company; 1988-05-01 to 1988-12-15; source msha-controller-operator-history
- **operator_operates_mine:** G F M C Inc → Arcade; 1988-12-16 to 1989-09-13; source msha-controller-operator-history
- **controller_controls_mine:** Moseley Stephen P → Arcade; 1988-12-16 to 1989-09-13; source msha-controller-operator-history
- **controller_controls_operator:** Moseley Stephen P → G F M C Inc; 1988-12-16 to 1989-09-13; source msha-controller-operator-history
- **operator_operates_mine:** Ventling Enterprises → Arcade; 1989-09-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ventling Lawrence M → Arcade; 1989-09-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ventling Lawrence M → Ventling Enterprises; 1989-09-14 to current/open; source msha-controller-operator-history