# Relationship history for MSHA mine 3003263

Current hierarchy: **Franklin H  Mackin III → M & M Trucking → Charlies Pit**

- 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:** M & M Trucking → Charlies Pit; 1999-04-01 to 2005-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Steven  Mackin et al → Charlies Pit; 1999-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Steven  Mackin et al → M & M Trucking; 1999-04-01 to 2005-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Franklin  Mackin et al → M & M Trucking; 1999-04-01 to 2005-12-31; source msha-controller-operator-history
- **operator_operates_mine:** M & M Trucking → Charlies Pit; 2006-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Franklin H  Mackin III → Charlies Pit; 2006-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Franklin H  Mackin III → M & M Trucking; 2006-01-01 to current/open; source msha-controller-operator-history
