# Relationship history for MSHA mine 4607712

Current hierarchy: **CONSOL Energy Inc → Terry Eagle Coal Company Llc → Cari Eagle No 2-A**

- 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:** Amvest Corporation → Cari Eagle No 2-A; 1988-04-01 to 2007-07-31; source msha-controller-operator-history
- **operator_operates_mine:** Terry Eagle Coal Company Llc → Cari Eagle No 2-A; 1989-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Amvest Corporation → Terry Eagle Coal Company Llc; 1989-06-01 to 2007-07-31; source msha-controller-operator-history
- **controller_controls_mine:** CONSOL Energy Inc → Cari Eagle No 2-A; 2007-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CONSOL Energy Inc → Terry Eagle Coal Company Llc; 2007-08-01 to current/open; source msha-controller-operator-history
