# Relationship history for MSHA mine 1202282

Current hierarchy: **Alfred  Peterson → Star Quarry Co., Inc → Star Quarry Co.**

- 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

- **controller_controls_mine:** Frank  Stigall → Star Quarry Co.; 1987-06-01 to 2007-10-21; source msha-controller-operator-history
- **operator_operates_mine:** Star Quarry Co., Inc → Star Quarry Co.; 2000-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Frank  Stigall → Star Quarry Co., Inc; 2000-06-01 to 2007-10-21; source msha-controller-operator-history
- **controller_controls_mine:** Alfred  Peterson et al → Star Quarry Co.; 2007-10-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alfred  Peterson et al → Star Quarry Co., Inc; 2007-10-22 to current/open; source msha-controller-operator-history