# Relationship history for MSHA mine 0801029

Current hierarchy: **Suwannee County-Fl → Suwannee County Public Works → SUWANNEE COUNTY PUBLIC WORKS**

- 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:** Suwannee County Public Works → SUWANNEE COUNTY PUBLIC WORKS; 1985-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Suwannee County-Fl → SUWANNEE COUNTY PUBLIC WORKS; 1985-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Suwannee County-Fl → Suwannee County Public Works; 1985-06-01 to current/open; source msha-controller-operator-history