# Relationship history for MSHA mine 0103304

Current hierarchy: **Donald M  Baxter → Quinton Mining, LLC → Quinton**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **controller_controls_mine:** A J  Taft → Quinton; 2004-05-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Donald M  Baxter → Quinton; 2004-10-15 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Clearwater Energy, Inc. → Quinton; 2004-11-01 to 2004-11-29; source msha-controller-operator-history
- **controller_controls_operator:** A J  Taft → Clearwater Energy, Inc.; 2004-11-01 to 2004-11-29; source msha-controller-operator-history
- **operator_operates_mine:** Horse Creek Mining, LLC → Quinton; 2004-11-30 to 2005-01-26; source msha-controller-operator-history
- **controller_controls_operator:** Donald M  Baxter → Horse Creek Mining, LLC; 2004-11-30 to 2005-01-26; source msha-controller-operator-history
- **operator_operates_mine:** Quinton Mining, LLC → Quinton; 2005-01-27 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Donald M  Baxter → Quinton; 2005-01-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Donald M  Baxter → Quinton Mining, LLC; 2005-01-27 to current/open; source msha-controller-operator-history