# Relationship history for MSHA mine 4606099

Current hierarchy: **Paul  Boggs → Prestige Mining Corp → Mine 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:** Framco Shipping Inc → Mine No 1; 1980-01-01 to 1981-09-21; source msha-controller-operator-history
- **controller_controls_mine:** Lebkuecher Ralph P → Mine No 1; 1980-01-01 to 1981-09-21; source msha-controller-operator-history
- **controller_controls_operator:** Lebkuecher Ralph P → Framco Shipping Inc; 1980-01-01 to 1981-09-21; source msha-controller-operator-history
- **operator_operates_mine:** Prestige Mining Corp → Mine No 1; 1981-09-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Paul  Boggs et al → Mine No 1; 1981-09-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Paul  Boggs et al → Prestige Mining Corp; 1981-09-22 to current/open; source msha-controller-operator-history