# Relationship history for MSHA mine 0901061

Current hierarchy: **Marvin  Higginbotham → Veri-Best Blue Quarry Inc → VERI-BEST BLUE**

- 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:** Veri-Best Blue Quarry Inc → VERI-BEST BLUE; 1991-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Peppers Randy → VERI-BEST BLUE; 1991-07-01 to 2001-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Peppers Randy → Veri-Best Blue Quarry Inc; 1991-07-01 to 2001-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Marvin  Higginbotham → VERI-BEST BLUE; 2002-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Marvin  Higginbotham → Veri-Best Blue Quarry Inc; 2002-01-01 to current/open; source msha-controller-operator-history
