# Relationship history for MSHA mine 0103043

Current hierarchy: **Frank  Foley → Foley Materials Company → Ward 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:** Frank  Foley → Ward Mine; 1978-03-09 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Concrete Company → Ward Mine; 1995-04-01 to 2005-09-27; source msha-controller-operator-history
- **controller_controls_operator:** Frank  Foley → Concrete Company; 1995-04-01 to 2005-09-27; source msha-controller-operator-history
- **operator_operates_mine:** Foley Materials Company → Ward Mine; 2005-09-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Frank  Foley → Ward Mine; 2005-09-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Frank  Foley → Foley Materials Company; 2005-09-28 to current/open; source msha-controller-operator-history