# Relationship history for MSHA mine 4003192

Current hierarchy: **Ronnie H  Carroll → Straight Creek Mining, Inc. → No. 3**

- 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

- **controller_controls_mine:** Ronnie H  Carroll → No. 3; 1995-03-23 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Straight Creek Mining, Inc. → No. 3; 2002-05-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ronnie H  Carroll → Straight Creek Mining, Inc.; 2002-05-21 to current/open; source msha-controller-operator-history