# Relationship history for MSHA mine 4003316

Current hierarchy: **Jennifer A  Galvez → Galvez Rock → PALMER 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

- **controller_controls_mine:** Brad J  Poynter et al → PALMER QUARRY; 1999-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Harry P  Dunegan → PALMER QUARRY; 2006-10-24 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** STONE SALES AND SERVICE,INC. → PALMER QUARRY; 2008-02-05 to 2010-02-09; source msha-controller-operator-history
- **controller_controls_operator:** Brad J  Poynter et al → STONE SALES AND SERVICE,INC.; 2008-02-05 to 2010-02-09; source msha-controller-operator-history
- **controller_controls_operator:** Darlene  Poynter et al → STONE SALES AND SERVICE,INC.; 2008-02-05 to 2010-02-09; source msha-controller-operator-history
- **operator_operates_mine:** Pat Dunegan → PALMER QUARRY; 2010-02-10 to 2011-02-07; source msha-controller-operator-history
- **controller_controls_operator:** Harry P  Dunegan → Pat Dunegan; 2010-02-10 to 2011-02-07; source msha-controller-operator-history
- **controller_controls_mine:** Jennifer A  Galvez → PALMER QUARRY; 2010-12-03 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Galvez Rock → PALMER QUARRY; 2011-02-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jennifer A  Galvez → Galvez Rock; 2011-02-08 to current/open; source msha-controller-operator-history