# Relationship history for MSHA mine 2302291

Current hierarchy: **Matthew T  Meeker; James R  Higgins → Higgins-Meeker Quarries LLC → Deepwater Quarry**

- 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

- **operator_operates_mine:** Higgins-Meeker Quarries LLC → Deepwater Quarry; 2004-04-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Matthew T  Meeker et al → Deepwater Quarry; 2004-04-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Matthew T  Meeker et al → Higgins-Meeker Quarries LLC; 2004-04-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James R  Higgins et al → Higgins-Meeker Quarries LLC; 2004-04-07 to current/open; source msha-controller-operator-history