# Relationship history for MSHA mine 0202751

Current hierarchy: **Sutton Graham → Graham Sutton Minerals Inc → GLOVE MINE**

- 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:** Graham Sutton Minerals Inc → GLOVE MINE; 1997-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Sutton Graham → GLOVE MINE; 1997-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sutton Graham → Graham Sutton Minerals Inc; 1997-12-01 to current/open; source msha-controller-operator-history