# Relationship history for MSHA mine 4003360

Current hierarchy: **Michael  Rector; John  Rector → BMJ Stone Company, LLC → Brown Town Quarry #2**

- 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:** John  Rector  et al → Brown Town Quarry #2; 2009-03-10 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Davis & Son Quarries → Brown Town Quarry #2; 2009-07-15 to 2020-09-24; source msha-controller-operator-history
- **controller_controls_mine:** Steve  Davis → Brown Town Quarry #2; 2009-07-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Steve  Davis → Davis & Son Quarries; 2009-07-15 to 2020-09-24; source msha-controller-operator-history
- **operator_operates_mine:** BMJ Stone Company, LLC → Brown Town Quarry #2; 2020-09-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John  Rector  et al → BMJ Stone Company, LLC; 2020-09-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael  Rector  et al → BMJ Stone Company, LLC; 2020-09-25 to current/open; source msha-controller-operator-history