# Relationship history for MSHA mine 4201052

Current hierarchy: **Barry  Peterson → Gold Star Stone Inc → Lone Pine Quarry**

- 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:** Star Stone Inc → Lone Pine Quarry; 1950-01-01 to 1986-07-21; source msha-controller-operator-history
- **controller_controls_mine:** Whiteley W B → Lone Pine Quarry; 1950-01-01 to 1986-07-21; source msha-controller-operator-history
- **controller_controls_operator:** Whiteley W B → Star Stone Inc; 1950-01-01 to 1986-07-21; source msha-controller-operator-history
- **controller_controls_mine:** Mac Kay Keith P → Lone Pine Quarry; 1983-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Lone Pine Quarries → Lone Pine Quarry; 1986-07-22 to 2000-08-08; source msha-controller-operator-history
- **controller_controls_operator:** Mac Kay Keith P → Lone Pine Quarries; 1986-07-22 to 2000-08-08; source msha-controller-operator-history
- **controller_controls_mine:** Barry  Peterson → Lone Pine Quarry; 2000-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Gold Star Stone Inc → Lone Pine Quarry; 2000-08-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Barry  Peterson → Gold Star Stone Inc; 2000-08-09 to current/open; source msha-controller-operator-history