# Relationship history for MSHA mine 1600814

Current hierarchy: **Carl  Fornea Jr → Fornea & Sons Trucking Inc → Fornea & Sons Pit No 1**

- 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:** Bogalusa Materials & Services Inc → Fornea & Sons Pit No 1; 1950-01-01 to 1986-02-26; source msha-controller-operator-history
- **controller_controls_mine:** Jack  Simmons  et al → Fornea & Sons Pit No 1; 1950-01-01 to 1986-02-26; source msha-controller-operator-history
- **controller_controls_operator:** Jack  Simmons  et al → Bogalusa Materials & Services Inc; 1950-01-01 to 1986-02-26; source msha-controller-operator-history
- **operator_operates_mine:** Pearl River Gravel Company Inc → Fornea & Sons Pit No 1; 1986-02-27 to 1996-10-08; source msha-controller-operator-history
- **controller_controls_mine:** Billy  Varnado → Fornea & Sons Pit No 1; 1986-02-27 to 1996-10-08; source msha-controller-operator-history
- **controller_controls_operator:** Billy  Varnado → Pearl River Gravel Company Inc; 1986-02-27 to 1996-10-08; source msha-controller-operator-history
- **controller_controls_mine:** Carl  Fornea Jr → Fornea & Sons Pit No 1; 1987-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Fornea & Sons Trucking Inc → Fornea & Sons Pit No 1; 1996-10-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Carl  Fornea Jr → Fornea & Sons Trucking Inc; 1996-10-09 to current/open; source msha-controller-operator-history