# Relationship history for MSHA mine 2003375

Current hierarchy: **Johnny Lee  Fountain → FOUNTAIN TRUCKING, INC. → FOUNTAIN TRUCKING CRUSHING**

- 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:** Fountain Trucking Inc → FOUNTAIN TRUCKING CRUSHING; 2006-08-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Johnny Lee  Fountain → FOUNTAIN TRUCKING CRUSHING; 2006-08-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Johnny Lee  Fountain → Fountain Trucking Inc; 2006-08-30 to current/open; source msha-controller-operator-history