# Relationship history for MSHA mine 4003263

Current hierarchy: **Rogers Group Inc → Rogers Group Inc. → Mill Creek Limestone**

- 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:** Rogers Group Inc → Mill Creek Limestone; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Wilson Farm's → Mill Creek Limestone; 2005-06-14 to 2016-12-11; source msha-controller-operator-history
- **controller_controls_mine:** William J Wilson → Mill Creek Limestone; 2005-06-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** William J Wilson → Wilson Farm's; 2005-06-14 to 2016-12-11; source msha-controller-operator-history
- **operator_operates_mine:** Rogers Group Inc. → Mill Creek Limestone; 2016-12-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rogers Group Inc → Rogers Group Inc.; 2016-12-12 to current/open; source msha-controller-operator-history