# Relationship history for MSHA mine 1001361

Current hierarchy: **National Intergroup Inc & Southwire Company → Alumet Company → Lanes Creek 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Brent  Foster et al → Lanes Creek Mine; 1950-01-01 to 2007-11-15; source msha-controller-operator-history
- **operator_operates_mine:** H-K Contractors Inc → Lanes Creek Mine; 1978-03-09 to 1987-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Brent  Foster et al → H-K Contractors Inc; 1978-03-09 to 1987-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Alumet Company → Lanes Creek Mine; 1988-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** National Intergroup Inc & Southwire Company → Lanes Creek Mine; 1988-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** National Intergroup Inc & Southwire Company → Alumet Company; 1988-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** CRH PLC → Lanes Creek Mine; 2007-11-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CRH PLC → H-K Contractors Inc; 2007-11-16 to 1987-12-31; source msha-controller-operator-history