# Relationship history for MSHA mine 4607148

Current hierarchy: **Maplewood Mining Company Inc → Maplewood Mining Company Inc → Maplewood No 7**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Maplewood Mining Company Inc → Maplewood No 7; 1984-02-07 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Stutler & Sons Contractors Inc → Maplewood No 7; 1986-06-01 to 1989-06-14; source msha-controller-operator-history
- **controller_controls_mine:** Stutler Richard A → Maplewood No 7; 1986-06-01 to 1989-06-14; source msha-controller-operator-history
- **controller_controls_operator:** Stutler Richard A → Stutler & Sons Contractors Inc; 1986-06-01 to 1989-06-14; source msha-controller-operator-history
- **operator_operates_mine:** Maplewood Mining Company Inc → Maplewood No 7; 1989-06-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Maplewood Mining Company Inc → Maplewood Mining Company Inc; 1989-06-15 to current/open; source msha-controller-operator-history