# Relationship history for MSHA mine 4406568

Current hierarchy: **Meade Duane → Silver Eagle Resources Inc → Mine No 1**

- 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:** Silver Eagle Resources Inc → Mine No 1; 1990-02-01 to 1991-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Gross Charlotte → Mine No 1; 1990-02-01 to 1991-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Gross Charlotte → Silver Eagle Resources Inc; 1990-02-01 to 1991-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Silver Eagle Resources Inc → Mine No 1; 1991-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Meade Duane → Mine No 1; 1991-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Meade Duane → Silver Eagle Resources Inc; 1991-10-01 to current/open; source msha-controller-operator-history