# Relationship history for MSHA mine 3609447

Current hierarchy: **Adam M  Diaz → Diaz Stone & Pallet Inc. → Gold Mine**

- 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:** Mark T Dunnett → Gold Mine; 2006-03-07 to 2009-01-26; source msha-controller-operator-history
- **controller_controls_mine:** Mark T  Dunnett → Gold Mine; 2006-03-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mark T  Dunnett → Mark T Dunnett; 2006-03-07 to 2009-01-26; source msha-controller-operator-history
- **controller_controls_mine:** Adam M  Diaz → Gold Mine; 2006-08-02 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Diaz Stone & Pallet Inc. → Gold Mine; 2009-01-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Adam M  Diaz → Diaz Stone & Pallet Inc.; 2009-01-27 to current/open; source msha-controller-operator-history