# Relationship history for MSHA mine 4105287

Current hierarchy: **Construction Partners Inc → Ace Aggregates, LLC → Cobey Hollow Stone- Mico**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Ace Aggregates, LLC → Cobey Hollow Stone- Mico; 2017-08-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** BBCD Holdings LLC et al → Cobey Hollow Stone- Mico; 2017-08-15 to 2024-12-04; source msha-controller-operator-history
- **controller_controls_operator:** BBCD Holdings LLC et al → Ace Aggregates, LLC; 2017-08-15 to 2024-12-04; source msha-controller-operator-history
- **controller_controls_operator:** Daniel  Corrigan et al → Ace Aggregates, LLC; 2017-08-15 to 2024-12-04; source msha-controller-operator-history
- **controller_controls_mine:** Construction Partners Inc → Cobey Hollow Stone- Mico; 2024-12-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Construction Partners Inc → Ace Aggregates, LLC; 2024-12-05 to current/open; source msha-controller-operator-history