# Relationship history for MSHA mine 1101055

Current hierarchy: **Eric D Haines → Allendale Gravel Company → Allendale Gravel Company**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **operator_operates_mine:** Allendale Gravel Company → Allendale Gravel Company; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James E  Litherland → Allendale Gravel Company; 1950-01-01 to 2020-10-23; source msha-controller-operator-history
- **controller_controls_operator:** James E  Litherland → Allendale Gravel Company; 1950-01-01 to 2020-10-23; source msha-controller-operator-history
- **controller_controls_mine:** James S  Litherland et al → Allendale Gravel Company; 2020-10-24 to 2023-04-16; source msha-controller-operator-history
- **controller_controls_operator:** James S  Litherland et al → Allendale Gravel Company; 2020-10-24 to 2023-04-16; source msha-controller-operator-history
- **controller_controls_operator:** Jeffery S  Litherland et al → Allendale Gravel Company; 2020-10-24 to 2023-04-16; source msha-controller-operator-history
- **controller_controls_mine:** Eric D Haines → Allendale Gravel Company; 2023-04-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Eric D Haines → Allendale Gravel Company; 2023-04-17 to current/open; source msha-controller-operator-history
