# Relationship history for MSHA mine 4603507

Current hierarchy: **CONSOL Energy Inc → Terry Eagle Coal Company Llc → Robert Eagle #2**

- 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

- **operator_operates_mine:** Robert Eagle Coal Company → Robert Eagle #2; 1950-01-01 to 1980-04-17; source msha-controller-operator-history
- **controller_controls_mine:** Clevenger John → Robert Eagle #2; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Clevenger John → Robert Eagle Coal Company; 1950-01-01 to 1980-04-17; source msha-controller-operator-history
- **operator_operates_mine:** Robert Eagle Coal Company → Robert Eagle #2; 1980-04-18 to 1980-10-09; source msha-controller-operator-history
- **controller_controls_mine:** Terry  Seelinger et al → Robert Eagle #2; 1980-04-18 to 1980-10-09; source msha-controller-operator-history
- **controller_controls_operator:** Terry  Seelinger et al → Robert Eagle Coal Company; 1980-04-18 to 1980-10-09; source msha-controller-operator-history
- **controller_controls_mine:** M A Hanna Company et al → Robert Eagle #2; 1980-10-06 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Terry Eagle Coal Company-Limited Partnership → Robert Eagle #2; 1980-10-10 to 1985-09-26; source msha-controller-operator-history
- **controller_controls_operator:** M A Hanna Company et al → Terry Eagle Coal Company-Limited Partnership; 1980-10-10 to 1985-09-26; source msha-controller-operator-history
- **controller_controls_operator:** W R Grace Company et al → Terry Eagle Coal Company-Limited Partnership; 1980-10-10 to 1985-09-26; source msha-controller-operator-history
- **operator_operates_mine:** Terry Eagle Coal Company → Robert Eagle #2; 1985-09-27 to 1988-03-31; source msha-controller-operator-history
- **controller_controls_mine:** M A Hanna Company → Robert Eagle #2; 1985-09-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** M A Hanna Company → Terry Eagle Coal Company; 1985-09-27 to 1988-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Terry Eagle Coal Company Llc → Robert Eagle #2; 1988-04-01 to 1992-09-20; source msha-controller-operator-history
- **controller_controls_mine:** Amvest Corporation → Robert Eagle #2; 1988-04-01 to 2007-07-31; source msha-controller-operator-history
- **controller_controls_operator:** Amvest Corporation → Terry Eagle Coal Company Llc; 1988-04-01 to 1992-09-20; source msha-controller-operator-history
- **controller_controls_mine:** B Douglas  Divita → Robert Eagle #2; 1991-01-29 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Divita Coal Company Inc → Robert Eagle #2; 1992-09-21 to 1992-12-03; source msha-controller-operator-history
- **controller_controls_operator:** B Douglas  Divita → Divita Coal Company Inc; 1992-09-21 to 1992-12-03; source msha-controller-operator-history
- **operator_operates_mine:** Terry Eagle Coal Company Llc → Robert Eagle #2; 1992-12-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Amvest Corporation → Terry Eagle Coal Company Llc; 1992-12-04 to 2007-07-31; source msha-controller-operator-history
- **controller_controls_mine:** CONSOL Energy Inc → Robert Eagle #2; 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 1992-09-20; 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
