# Relationship history for MSHA mine 1517657

Current hierarchy: **CONSOL Energy Inc → Consol of Kentucky Inc → Millstone Reclamation**

- 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:** CONSOL Energy Inc → Millstone Reclamation; 1986-07-31 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Wesley D.  Burke et al → Millstone Reclamation; 1986-07-31 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Fairbanks Coal Co.,  Inc → Millstone Reclamation; 1995-04-01 to 2007-01-17; source msha-controller-operator-history
- **controller_controls_operator:** Wesley D.  Burke et al → Fairbanks Coal Co.,  Inc; 1995-04-01 to 2007-01-17; source msha-controller-operator-history
- **operator_operates_mine:** Consol of Kentucky Inc → Millstone Reclamation; 2007-01-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CONSOL Energy Inc → Consol of Kentucky Inc; 2007-01-18 to current/open; source msha-controller-operator-history