# Relationship history for MSHA mine 0901267

Current hierarchy: **Charles Howard  Starr → Martus Stone Georgia → Goose Pond 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:** Martus Stone Georgia → Goose Pond Quarry; 2023-05-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Charles Howard  Starr → Goose Pond Quarry; 2023-05-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles Howard  Starr → Martus Stone Georgia; 2023-05-24 to current/open; source msha-controller-operator-history