# Relationship history for MSHA mine 2003305

Current hierarchy: **2020 IRREV AGNES ANNE MOROUN TR UAD 12-28-2020 → Sultan Mining LLC → Grass Lake 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Jerald W  Bailey → Grass Lake Pit; 1997-09-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Bailey Sand & Gravel → Grass Lake Pit; 2004-09-20 to 2015-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Jerald W  Bailey → Bailey Sand & Gravel; 2004-09-20 to 2015-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Target Trucking, LLC → Grass Lake Pit; 2015-10-01 to 2024-09-17; source msha-controller-operator-history
- **controller_controls_mine:** Jeff  Burrell → Grass Lake Pit; 2015-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeff  Burrell → Target Trucking, LLC; 2015-10-01 to 2024-09-17; source msha-controller-operator-history
- **operator_operates_mine:** Sultan Mining LLC → Grass Lake Pit; 2024-09-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** 2020 IRREV AGNES ANNE MOROUN TR UAD 12-28-2020 → Grass Lake Pit; 2024-09-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** 2020 IRREV AGNES ANNE MOROUN TR UAD 12-28-2020 → Sultan Mining LLC; 2024-09-18 to current/open; source msha-controller-operator-history