# Relationship history for MSHA mine 2800486

Current hierarchy: **Peter  Galetto → Dun-Rite Sand & Gravel Company Inc → DUN-RITE SAND AND GRAVEL CO. INC**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **operator_operates_mine:** Jesse S Morie & Son Inc → DUN-RITE SAND AND GRAVEL CO. INC; 1950-01-01 to 1984-02-29; source msha-controller-operator-history
- **controller_controls_mine:** Energy & Minerals Inc → DUN-RITE SAND AND GRAVEL CO. INC; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Energy & Minerals Inc → Jesse S Morie & Son Inc; 1950-01-01 to 1984-02-29; source msha-controller-operator-history
- **controller_controls_mine:** Peter  Galetto → DUN-RITE SAND AND GRAVEL CO. INC; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Dun-Rite Sand & Gravel Company Inc → DUN-RITE SAND AND GRAVEL CO. INC; 1984-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Peter  Galetto → Dun-Rite Sand & Gravel Company Inc; 1984-03-01 to current/open; source msha-controller-operator-history