# Relationship history for MSHA mine 4003399

Current hierarchy: **Patrick  Garrison; J J  Presley → Jamestown Quarries LLC → Jamestown Quarries 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

- **operator_operates_mine:** Jamestown Quarries LLC → Jamestown Quarries LLC; 2011-05-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Patrick  Garrison et al → Jamestown Quarries LLC; 2011-05-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Patrick  Garrison et al → Jamestown Quarries LLC; 2011-05-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** J J  Presley et al → Jamestown Quarries LLC; 2011-05-19 to current/open; source msha-controller-operator-history
