# Relationship history for MSHA mine 4003361

Current hierarchy: **James M Flynn → Crab Orchard Stone Co., Inc. → Crab Orchard Stone Pleasant Hill 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: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **controller_controls_mine:** James M Flynn → Crab Orchard Stone Pleasant Hill Quarry; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** York & Sons Quarries → Crab Orchard Stone Pleasant Hill Quarry; 2009-07-15 to 2011-05-03; source msha-controller-operator-history
- **controller_controls_mine:** Avery C  York III → Crab Orchard Stone Pleasant Hill Quarry; 2009-07-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Avery C  York III → York & Sons Quarries; 2009-07-15 to 2011-05-03; source msha-controller-operator-history
- **operator_operates_mine:** Jason Lee Quarry → Crab Orchard Stone Pleasant Hill Quarry; 2011-05-04 to 2021-04-15; source msha-controller-operator-history
- **controller_controls_mine:** Jason  Lee → Crab Orchard Stone Pleasant Hill Quarry; 2011-05-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jason  Lee → Jason Lee Quarry; 2011-05-04 to 2021-04-15; source msha-controller-operator-history
- **operator_operates_mine:** Crab Orchard Stone Co., Inc. → Crab Orchard Stone Pleasant Hill Quarry; 2021-04-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James M Flynn → Crab Orchard Stone Co., Inc.; 2021-04-16 to current/open; source msha-controller-operator-history