# Relationship history for MSHA mine 1517813

Current hierarchy: **Bill C  Smith → Patrick Processing L L C → #1**

- 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

- **controller_controls_mine:** Timmy  Ratliff et al → #1; 1993-07-06 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Black Hawk Coal Corp → #1; 1996-07-01 to 1998-11-02; source msha-controller-operator-history
- **controller_controls_operator:** Timmy  Ratliff et al → Black Hawk Coal Corp; 1996-07-01 to 1998-11-02; source msha-controller-operator-history
- **controller_controls_operator:** Dennis  Ratliff et al → Black Hawk Coal Corp; 1996-07-01 to 1998-11-02; source msha-controller-operator-history
- **controller_controls_mine:** Williamson Daniel B → #1; 1998-08-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Flintstone Mining Inc → #1; 1998-11-03 to 2000-03-08; source msha-controller-operator-history
- **controller_controls_operator:** Williamson Daniel B → Flintstone Mining Inc; 1998-11-03 to 2000-03-08; source msha-controller-operator-history
- **controller_controls_mine:** Brent  Coleman et al → #1; 1999-06-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Aaron  Justice Jr → #1; 1999-11-19 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Aaron Coal Company Llc → #1; 2000-03-09 to 2000-12-10; source msha-controller-operator-history
- **controller_controls_operator:** Aaron  Justice Jr → Aaron Coal Company Llc; 2000-03-09 to 2000-12-10; source msha-controller-operator-history
- **operator_operates_mine:** Emily Enterprises Inc → #1; 2000-12-11 to 2001-09-13; source msha-controller-operator-history
- **controller_controls_operator:** Brent  Coleman et al → Emily Enterprises Inc; 2000-12-11 to 2001-09-13; source msha-controller-operator-history
- **operator_operates_mine:** Aaron Coal Company Llc → #1; 2001-09-14 to 2001-09-17; source msha-controller-operator-history
- **controller_controls_operator:** Aaron  Justice Jr → Aaron Coal Company Llc; 2001-09-14 to 2001-09-17; source msha-controller-operator-history
- **operator_operates_mine:** Lewis Coal Sales LLC → #1; 2001-09-18 to 2002-12-18; source msha-controller-operator-history
- **controller_controls_mine:** Bill C  Smith → #1; 2001-09-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bill C  Smith → Lewis Coal Sales LLC; 2001-09-18 to 2002-12-18; source msha-controller-operator-history
- **operator_operates_mine:** Patrick Processing, L. L. C. → #1; 2002-12-19 to 2003-06-16; source msha-controller-operator-history
- **controller_controls_mine:** Bill C  Smith → #1; 2002-12-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bill C  Smith → Patrick Processing, L. L. C.; 2002-12-19 to 2003-06-16; source msha-controller-operator-history
- **operator_operates_mine:** Foggy Mountain Coal Co Inc → #1; 2003-06-17 to 2004-02-25; source msha-controller-operator-history
- **controller_controls_mine:** Connie  Bryant → #1; 2003-06-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Connie  Bryant → Foggy Mountain Coal Co Inc; 2003-06-17 to 2004-02-25; source msha-controller-operator-history
- **operator_operates_mine:** Patrick Processing L L C → #1; 2004-02-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bill C  Smith → Patrick Processing L L C; 2004-02-26 to current/open; source msha-controller-operator-history