# Relationship history for MSHA mine 0801364

Current hierarchy: **Abigail J  Taunton → Taunton Family Children's Home, Inc. → Taunton Children's Home Sand 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: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **operator_operates_mine:** Taunton Family Children's Home, Inc. → Taunton Children's Home Sand Mine; 2008-04-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** David L  Taunton → Taunton Children's Home Sand Mine; 2008-04-02 to 2023-04-23; source msha-controller-operator-history
- **controller_controls_operator:** David L  Taunton → Taunton Family Children's Home, Inc.; 2008-04-02 to 2023-04-23; source msha-controller-operator-history
- **controller_controls_mine:** Abigail J  Taunton → Taunton Children's Home Sand Mine; 2023-04-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Abigail J  Taunton → Taunton Family Children's Home, Inc.; 2023-04-24 to current/open; source msha-controller-operator-history