# Relationship history for MSHA mine 2200040

Current hierarchy: **CBEL Inc → Tri-State Jackson Lands,  LLC → Tri-State Jackson Lands, LLC**

- 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:** Tri-State Brick and Tile Co. → Tri-State Jackson Lands, LLC; 1950-01-01 to 2015-07-23; source msha-controller-operator-history
- **controller_controls_mine:** Jerry  Robinson → Tri-State Jackson Lands, LLC; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jerry  Robinson → Tri-State Brick and Tile Co.; 1950-01-01 to 2015-07-23; source msha-controller-operator-history
- **operator_operates_mine:** Tri-State Jackson Lands,  LLC → Tri-State Jackson Lands, LLC; 2015-07-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** CBEL Inc → Tri-State Jackson Lands, LLC; 2015-07-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CBEL Inc → Tri-State Jackson Lands,  LLC; 2015-07-24 to current/open; source msha-controller-operator-history
