# Relationship history for MSHA mine 1100034

Current hierarchy: **Charles W  Brandt → Mill Creek Mining, Inc. → Mill Creek Mining, Inc.**

- 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:** Collinson Stone Co → Mill Creek Mining, Inc.; 1950-01-01 to 2014-05-29; source msha-controller-operator-history
- **controller_controls_mine:** Kenneth M  Collinson et al → Mill Creek Mining, Inc.; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth M  Collinson et al → Collinson Stone Co; 1950-01-01 to 2014-05-29; source msha-controller-operator-history
- **operator_operates_mine:** Mill Creek Mining, Inc. → Mill Creek Mining, Inc.; 2014-05-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Charles W  Brandt → Mill Creek Mining, Inc.; 2014-05-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles W  Brandt → Mill Creek Mining, Inc.; 2014-05-30 to current/open; source msha-controller-operator-history