# Relationship history for MSHA mine 3200270

Current hierarchy: **Richard  Hagen; Marlene  Hagen → Narloch Trucking LLP → Ramsey Pit**

- 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:** Armond Narloch Company → Ramsey Pit; 1950-01-01 to 1993-06-10; source msha-controller-operator-history
- **controller_controls_mine:** Armond  Narlock → Ramsey Pit; 1950-01-01 to 1993-06-10; source msha-controller-operator-history
- **controller_controls_operator:** Armond  Narlock → Armond Narloch Company; 1950-01-01 to 1993-06-10; source msha-controller-operator-history
- **operator_operates_mine:** Narloch Trucking LLP → Ramsey Pit; 1993-06-11 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Marlene  Hagen et al → Ramsey Pit; 1993-06-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Marlene  Hagen et al → Narloch Trucking LLP; 1993-06-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Richard  Hagen et al → Narloch Trucking LLP; 1993-06-11 to current/open; source msha-controller-operator-history
