# Relationship history for MSHA mine 2800454

Current hierarchy: **John S  Gilham → E S C Stone Products Inc → E.S.C. STONE PRODUCTS FLANDER DI**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Flanders Construction Materials Inc → E.S.C. STONE PRODUCTS FLANDER DI; 1950-01-01 to 1983-07-12; source msha-controller-operator-history
- **controller_controls_mine:** Flanders Construction Materials Inc → E.S.C. STONE PRODUCTS FLANDER DI; 1950-01-01 to 1983-07-12; source msha-controller-operator-history
- **controller_controls_operator:** Flanders Construction Materials Inc → Flanders Construction Materials Inc; 1950-01-01 to 1983-07-12; source msha-controller-operator-history
- **operator_operates_mine:** C & M Sand & Stone Of New Jersey Inc → E.S.C. STONE PRODUCTS FLANDER DI; 1983-07-13 to 1985-07-14; source msha-controller-operator-history
- **controller_controls_mine:** Valente Carmine → E.S.C. STONE PRODUCTS FLANDER DI; 1983-07-13 to 1985-07-14; source msha-controller-operator-history
- **controller_controls_operator:** Valente Carmine → C & M Sand & Stone Of New Jersey Inc; 1983-07-13 to 1985-07-14; source msha-controller-operator-history
- **controller_controls_mine:** John S  Gilham → E.S.C. STONE PRODUCTS FLANDER DI; 1984-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** E S C Stone Products Inc → E.S.C. STONE PRODUCTS FLANDER DI; 1985-07-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John S  Gilham → E S C Stone Products Inc; 1985-07-15 to current/open; source msha-controller-operator-history