# Relationship history for MSHA mine 2302101

Current hierarchy: **Nathan  Mc Kean → Breckenridge Sullivan LLC → Sullivan 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:** Kenneth R  Wilson → Sullivan Aggregates LLC; 1985-01-04 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** K R Wilson Contracting Inc → Sullivan Aggregates LLC; 1994-04-01 to 2004-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth R  Wilson → K R Wilson Contracting Inc; 1994-04-01 to 2004-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Breckenridge Sullivan LLC → Sullivan Aggregates LLC; 2004-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Nathan  Mc Kean → Sullivan Aggregates LLC; 2004-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Nathan  Mc Kean → Breckenridge Sullivan LLC; 2004-10-01 to current/open; source msha-controller-operator-history