# Relationship history for MSHA mine 1512956

Current hierarchy: **Renfrow Danny → Geary & Renfrow Little Rock Mining Inc → G & R Little Rock 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: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **operator_operates_mine:** Geary & Renfrow Little Rock Mining Inc → G & R Little Rock No 1; 1981-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Renfrow Danny → G & R Little Rock No 1; 1981-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Renfrow Danny → Geary & Renfrow Little Rock Mining Inc; 1981-06-01 to current/open; source msha-controller-operator-history