# Relationship history for MSHA mine 4607713

Current hierarchy: **B Douglas  Divita → Divita Coal Company Inc → Cari Eagle #3**

- 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 #3; 1988-04-01 to 2007-07-31; source msha-controller-operator-history
- **operator_operates_mine:** Terry Eagle Coal Company Llc → Cari Eagle #3; 1989-06-01 to 1992-07-16; source msha-controller-operator-history
- **controller_controls_operator:** Amvest Corporation → Terry Eagle Coal Company Llc; 1989-06-01 to 1992-07-16; source msha-controller-operator-history
- **controller_controls_mine:** B Douglas  Divita → Cari Eagle #3; 1991-01-29 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Divita Coal Company Inc → Cari Eagle #3; 1992-07-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** B Douglas  Divita → Divita Coal Company Inc; 1992-07-17 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** CONSOL Energy Inc → Cari Eagle #3; 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 1992-07-16; source msha-controller-operator-history