# Relationship history for MSHA mine 4407171

Current hierarchy: **Danny K Justice; Lori A Brinager; Cecil T Brinager → Son's Energy LLC → CR Surface Mine #1**

- 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:** Carl  Hamilton → CR Surface Mine #1; 2004-10-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mountaineer Enterprises, Inc. → CR Surface Mine #1; 2006-05-08 to 2019-10-06; source msha-controller-operator-history
- **controller_controls_operator:** Carl  Hamilton → Mountaineer Enterprises, Inc.; 2006-05-08 to 2019-10-06; source msha-controller-operator-history
- **controller_controls_mine:** Lori A Brinager et al → CR Surface Mine #1; 2019-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Son's Energy LLC → CR Surface Mine #1; 2019-10-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lori A Brinager et al → Son's Energy LLC; 2019-10-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Danny K Justice et al → Son's Energy LLC; 2019-10-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cecil T Brinager et al → Son's Energy LLC; 2019-10-07 to current/open; source msha-controller-operator-history