# Relationship history for MSHA mine 3609831

Current hierarchy: **Force Aggregates LLC → KINKEAD AGGREGATES, LLC → KINKEAD AGGREGATES, LLC**

- 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:** Christopher J  Evans → KINKEAD AGGREGATES, LLC; 1997-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Britt Energies, Inc. → KINKEAD AGGREGATES, LLC; 2010-02-23 to 2010-06-09; source msha-controller-operator-history
- **controller_controls_operator:** Christopher J  Evans → Britt Energies, Inc.; 2010-02-23 to 2010-06-09; source msha-controller-operator-history
- **operator_operates_mine:** Kinkead Aggregates, LLC → KINKEAD AGGREGATES, LLC; 2010-06-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bryan  Force et al → KINKEAD AGGREGATES, LLC; 2010-06-10 to 2015-08-31; source msha-controller-operator-history
- **controller_controls_operator:** Bryan  Force et al → Kinkead Aggregates, LLC; 2010-06-10 to 2015-08-31; source msha-controller-operator-history
- **controller_controls_operator:** Christopher J  Evans et al → Kinkead Aggregates, LLC; 2010-06-10 to 2015-08-31; source msha-controller-operator-history
- **controller_controls_mine:** Force Aggregates LLC → KINKEAD AGGREGATES, LLC; 2015-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Force Aggregates LLC → Kinkead Aggregates, LLC; 2015-09-01 to current/open; source msha-controller-operator-history