# Relationship history for MSHA mine 0301836

Current hierarchy: **Stuart  Schmitt → Clear Creek → CLEAR CREEK**

- 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:** Clear Creek → CLEAR CREEK; 2000-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Hill Carl & Cordell Carmack → CLEAR CREEK; 2000-10-01 to 2001-10-14; source msha-controller-operator-history
- **controller_controls_operator:** Hill Carl & Cordell Carmack → Clear Creek; 2000-10-01 to 2001-10-14; source msha-controller-operator-history
- **controller_controls_mine:** Joe  Castoral → CLEAR CREEK; 2001-10-15 to 2007-11-25; source msha-controller-operator-history
- **controller_controls_operator:** Joe  Castoral → Clear Creek; 2001-10-15 to 2007-11-25; source msha-controller-operator-history
- **controller_controls_mine:** Stuart  Schmitt → CLEAR CREEK; 2007-11-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Stuart  Schmitt → Clear Creek; 2007-11-26 to current/open; source msha-controller-operator-history