# Relationship history for MSHA mine 0102883

Current hierarchy: **Issac G  Stacey III; Susan  Stacey → Stacey Construction LLC → Dawson Pit**

- 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

- **operator_operates_mine:** Stacey Construction LLC → Dawson Pit; 1990-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Glenn  Stacey Jr → Dawson Pit; 1990-10-01 to 2025-02-08; source msha-controller-operator-history
- **controller_controls_operator:** Glenn  Stacey Jr → Stacey Construction LLC; 1990-10-01 to 2025-02-08; source msha-controller-operator-history
- **controller_controls_mine:** Issac G  Stacey III et al → Dawson Pit; 2025-02-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Issac G  Stacey III et al → Stacey Construction LLC; 2025-02-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Susan  Stacey et al → Stacey Construction LLC; 2025-02-09 to current/open; source msha-controller-operator-history