# Relationship history for MSHA mine 0103186

Current hierarchy: **Chadwick  Smith → AL-Graystone Inc. → WILBURN PIT**

- 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:** Wilburn Quarries Llc → WILBURN PIT; 2000-05-01 to 2003-03-19; source msha-controller-operator-history
- **controller_controls_mine:** T J  Pate et al → WILBURN PIT; 2000-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** T J  Pate et al → Wilburn Quarries Llc; 2000-05-01 to 2003-03-19; source msha-controller-operator-history
- **controller_controls_operator:** James  Pate et al → Wilburn Quarries Llc; 2000-05-01 to 2003-03-19; source msha-controller-operator-history
- **operator_operates_mine:** Waters Brothers Contractors, Inc. → WILBURN PIT; 2003-03-20 to 2005-01-31; source msha-controller-operator-history
- **controller_controls_mine:** Ernest M  Waters Et Al → WILBURN PIT; 2003-03-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ernest M  Waters Et Al → Waters Brothers Contractors, Inc.; 2003-03-20 to 2005-01-31; source msha-controller-operator-history
- **controller_controls_operator:** Rodney D  Terry Et Al → Waters Brothers Contractors, Inc.; 2003-03-20 to 2005-01-31; source msha-controller-operator-history
- **operator_operates_mine:** Wilburn Quarries, LLC → WILBURN PIT; 2005-02-01 to 2010-08-17; source msha-controller-operator-history
- **controller_controls_operator:** T J  Pate et al → Wilburn Quarries, LLC; 2005-02-01 to 2010-08-17; source msha-controller-operator-history
- **controller_controls_operator:** James  Pate et al → Wilburn Quarries, LLC; 2005-02-01 to 2010-08-17; source msha-controller-operator-history
- **operator_operates_mine:** Tn-Al Materials, Inc. → WILBURN PIT; 2010-08-18 to 2012-11-14; source msha-controller-operator-history
- **controller_controls_mine:** Charles R  Smith → WILBURN PIT; 2010-08-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles R  Smith → Tn-Al Materials, Inc.; 2010-08-18 to 2012-11-14; source msha-controller-operator-history
- **operator_operates_mine:** AL-Graystone Inc. → WILBURN PIT; 2012-11-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Chadwick  Smith → WILBURN PIT; 2012-11-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Chadwick  Smith → AL-Graystone Inc.; 2012-11-15 to current/open; source msha-controller-operator-history