# Relationship history for MSHA mine 3402037

Current hierarchy: **Patrick  Pond; Jennifer  Pond → Stone Supply Mahogany Quarry LLC → Mahogany Quarry #7**

- 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:** Stone Supply Mahogany Quarry LLC → Mahogany Quarry #7; 2007-04-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Patrick  Pond et al → Mahogany Quarry #7; 2007-04-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Patrick  Pond et al → Stone Supply Mahogany Quarry LLC; 2007-04-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jennifer  Pond  et al → Stone Supply Mahogany Quarry LLC; 2007-04-23 to current/open; source msha-controller-operator-history