# Relationship history for MSHA mine 1517632

Current hierarchy: **Cliff  Bartley → Cliffco Enterprise Inc → No 10**

- 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:** Cliff  Bartley → No 10; 1991-04-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jim  Reed → No 10; 1992-01-01 to 1995-08-15; source msha-controller-operator-history
- **controller_controls_mine:** John  Harris → No 10; 1992-10-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Biliter Marvin Jr → No 10; 1992-11-25 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Diablo Coal Company → No 10; 1994-10-01 to 1995-08-15; source msha-controller-operator-history
- **controller_controls_operator:** Jim  Reed → Diablo Coal Company; 1994-10-01 to 1995-08-15; source msha-controller-operator-history
- **controller_controls_mine:** Bartley Clinton → No 10; 1995-08-01 to 1996-11-19; source msha-controller-operator-history
- **operator_operates_mine:** Clintco Enterprises Inc → No 10; 1995-08-16 to 1996-08-03; source msha-controller-operator-history
- **controller_controls_operator:** Bartley Clinton → Clintco Enterprises Inc; 1995-08-16 to 1996-08-03; source msha-controller-operator-history
- **operator_operates_mine:** Ebenezer Coal Company Inc → No 10; 1996-08-04 to 1997-12-28; source msha-controller-operator-history
- **controller_controls_operator:** Biliter Marvin Jr → Ebenezer Coal Company Inc; 1996-08-04 to 1997-12-28; source msha-controller-operator-history
- **controller_controls_mine:** John  Harris → No 10; 1996-11-20 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Prater Creek Coal Corp → No 10; 1997-12-29 to 2001-02-07; source msha-controller-operator-history
- **controller_controls_operator:** John  Harris → Prater Creek Coal Corp; 1997-12-29 to 2001-02-07; source msha-controller-operator-history
- **controller_controls_mine:** Carl  Kirk et al → No 10; 1998-02-19 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** North Star Mining Inc → No 10; 2001-02-08 to 2001-10-03; source msha-controller-operator-history
- **controller_controls_operator:** Carl  Kirk et al → North Star Mining Inc; 2001-02-08 to 2001-10-03; source msha-controller-operator-history
- **operator_operates_mine:** Bull Creek Coal Corporation → No 10; 2001-10-04 to 2004-02-29; source msha-controller-operator-history
- **controller_controls_operator:** John  Harris → Bull Creek Coal Corporation; 2001-10-04 to 2004-02-29; source msha-controller-operator-history
- **operator_operates_mine:** Cliffco Enterprise, Inc. → No 10; 2004-03-01 to 2005-05-02; source msha-controller-operator-history
- **controller_controls_operator:** Cliff  Bartley → Cliffco Enterprise, Inc.; 2004-03-01 to 2005-05-02; source msha-controller-operator-history
- **operator_operates_mine:** Bull Creek Coal Corp → No 10; 2005-05-03 to 2006-07-26; source msha-controller-operator-history
- **controller_controls_operator:** John  Harris → Bull Creek Coal Corp; 2005-05-03 to 2006-07-26; source msha-controller-operator-history
- **operator_operates_mine:** Cliffco Enterprise Inc → No 10; 2006-07-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cliff  Bartley → Cliffco Enterprise Inc; 2006-07-27 to current/open; source msha-controller-operator-history