# Relationship history for MSHA mine 0403367

Current hierarchy: **Perry  Thompson → Hat Creek Construction & Materials Inc → Fitch Road 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:** Fitch Gravel Company → Fitch Road Pit; 1987-07-01 to 1994-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Leonard F  Fitch → Fitch Road Pit; 1987-07-01 to 1994-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Leonard F  Fitch → Fitch Gravel Company; 1987-07-01 to 1994-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Perry  Thompson  et al → Fitch Road Pit; 1992-02-01 to 2017-02-12; source msha-controller-operator-history
- **operator_operates_mine:** Eagle Peak Rock and Paving → Fitch Road Pit; 1995-01-01 to 2021-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Tony  Cruse et al → Fitch Road Pit; 1995-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tony  Cruse et al → Eagle Peak Rock and Paving; 1995-01-01 to 2021-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Perry  Thompson → Fitch Road Pit; 2017-02-13 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Hat Creek Construction & Materials Inc → Fitch Road Pit; 2022-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Perry  Thompson → Hat Creek Construction & Materials Inc; 2022-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Perry  Thompson  et al → Hat Creek Construction & Materials Inc; 2022-01-01 to 2017-02-12; source msha-controller-operator-history
- **controller_controls_operator:** Bob  Thompson  et al → Hat Creek Construction & Materials Inc; 2022-01-01 to 2017-02-12; source msha-controller-operator-history