# Relationship history for MSHA mine 1517441

Current hierarchy: **James A  Sigmon → Keokee Mining LLC → Mine #3**

- 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:** James A  Sigmon → Mine #3; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Theodore  Yates et al → Mine #3; 1989-02-21 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Jericol Mining Inc → Mine #3; 1993-08-01 to 1995-10-16; source msha-controller-operator-history
- **controller_controls_operator:** James A  Sigmon → Jericol Mining Inc; 1993-08-01 to 1995-10-16; source msha-controller-operator-history
- **controller_controls_mine:** Victor B  McKinney → Mine #3; 1995-09-11 to 1996-03-24; source msha-controller-operator-history
- **operator_operates_mine:** Black Mountain Energy Inc → Mine #3; 1995-10-17 to 1996-03-24; source msha-controller-operator-history
- **controller_controls_operator:** Victor B  McKinney → Black Mountain Energy Inc; 1995-10-17 to 1996-03-24; source msha-controller-operator-history
- **operator_operates_mine:** Jericol Mining Inc → Mine #3; 1996-03-25 to 1997-09-22; source msha-controller-operator-history
- **controller_controls_operator:** James A  Sigmon → Jericol Mining Inc; 1996-03-25 to 1997-09-22; source msha-controller-operator-history
- **controller_controls_mine:** John Madison  Potter et al → Mine #3; 1997-04-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Trinity Coal Corp Of Virginia → Mine #3; 1997-09-23 to 2000-03-30; source msha-controller-operator-history
- **controller_controls_operator:** John Madison  Potter et al → Trinity Coal Corp Of Virginia; 1997-09-23 to 2000-03-30; source msha-controller-operator-history
- **controller_controls_operator:** David Nelson  Potter et al → Trinity Coal Corp Of Virginia; 1997-09-23 to 2000-03-30; source msha-controller-operator-history
- **operator_operates_mine:** Har-Lee Coal Company Inc → Mine #3; 2000-03-31 to 2002-03-05; source msha-controller-operator-history
- **controller_controls_operator:** Theodore  Yates et al → Har-Lee Coal Company Inc; 2000-03-31 to 2002-03-05; source msha-controller-operator-history
- **controller_controls_mine:** Larry E  Wright → Mine #3; 2002-01-18 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Solid Fuel Energy LTD → Mine #3; 2002-03-06 to 2002-04-21; source msha-controller-operator-history
- **controller_controls_operator:** Larry E  Wright → Solid Fuel Energy LTD; 2002-03-06 to 2002-04-21; source msha-controller-operator-history
- **operator_operates_mine:** Jericol Mining Inc → Mine #3; 2002-04-22 to 2007-03-06; source msha-controller-operator-history
- **controller_controls_operator:** James A  Sigmon → Jericol Mining Inc; 2002-04-22 to 2007-03-06; source msha-controller-operator-history
- **controller_controls_mine:** James A  Sigmon → Mine #3; 2007-02-21 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Keokee Mining LLC → Mine #3; 2007-03-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James A  Sigmon → Keokee Mining LLC; 2007-03-07 to current/open; source msha-controller-operator-history