# Relationship history for MSHA mine 1517689

Current hierarchy: **James A  Sigmon → Keokee Mining LLC → Mine #2**

- 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 #2; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Theodore  Yates et al → Mine #2; 1989-02-21 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Stanley R  Ditty → Mine #2; 1989-10-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Allen G  Stump et al → Mine #2; 1994-07-12 to 1998-07-01; source msha-controller-operator-history
- **operator_operates_mine:** Jericol Mining Inc → Mine #2; 1995-06-01 to 1995-10-16; source msha-controller-operator-history
- **controller_controls_operator:** James A  Sigmon → Jericol Mining Inc; 1995-06-01 to 1995-10-16; source msha-controller-operator-history
- **controller_controls_mine:** Victor B  McKinney → Mine #2; 1995-09-11 to 1996-03-24; source msha-controller-operator-history
- **operator_operates_mine:** Black Mountain Energy Inc → Mine #2; 1995-10-17 to 1996-03-06; source msha-controller-operator-history
- **controller_controls_operator:** Victor B  McKinney → Black Mountain Energy Inc; 1995-10-17 to 1996-03-06; source msha-controller-operator-history
- **operator_operates_mine:** Jericol Mining Inc → Mine #2; 1996-03-07 to 1998-03-22; source msha-controller-operator-history
- **controller_controls_operator:** James A  Sigmon → Jericol Mining Inc; 1996-03-07 to 1998-03-22; source msha-controller-operator-history
- **controller_controls_mine:** John H  Parton → Mine #2; 1997-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Twin Pines Inc → Mine #2; 1998-03-23 to 1998-07-01; source msha-controller-operator-history
- **controller_controls_operator:** Allen G  Stump et al → Twin Pines Inc; 1998-03-23 to 1998-07-01; source msha-controller-operator-history
- **controller_controls_mine:** James A  Sigmon → Mine #2; 1998-07-01 to 1999-06-23; source msha-controller-operator-history
- **operator_operates_mine:** Sigmon Energy Llc → Mine #2; 1998-07-02 to 1999-06-23; source msha-controller-operator-history
- **controller_controls_operator:** James A  Sigmon → Sigmon Energy Llc; 1998-07-02 to 1999-06-23; source msha-controller-operator-history
- **operator_operates_mine:** Del Rio Inc → Mine #2; 1999-06-24 to 2000-05-29; source msha-controller-operator-history
- **controller_controls_operator:** Stanley R  Ditty → Del Rio Inc; 1999-06-24 to 2000-05-29; source msha-controller-operator-history
- **operator_operates_mine:** Parton Brothers Contracting Inc → Mine #2; 2000-05-30 to 2000-07-25; source msha-controller-operator-history
- **controller_controls_operator:** John H  Parton → Parton Brothers Contracting Inc; 2000-05-30 to 2000-07-25; source msha-controller-operator-history
- **operator_operates_mine:** Har-Lee Coal Company Inc → Mine #2; 2000-07-26 to 2001-10-02; source msha-controller-operator-history
- **controller_controls_operator:** Theodore  Yates et al → Har-Lee Coal Company Inc; 2000-07-26 to 2001-10-02; source msha-controller-operator-history
- **operator_operates_mine:** C and R Leasing Inc. → Mine #2; 2001-10-03 to 2003-02-02; source msha-controller-operator-history
- **controller_controls_mine:** Connie  Bryant → Mine #2; 2001-10-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Connie  Bryant → C and R Leasing Inc.; 2001-10-03 to 2003-02-02; source msha-controller-operator-history
- **operator_operates_mine:** Jericol Mining Incorporated → Mine #2; 2003-02-03 to 2007-03-06; source msha-controller-operator-history
- **controller_controls_operator:** James A  Sigmon → Jericol Mining Incorporated; 2003-02-03 to 2007-03-06; source msha-controller-operator-history
- **controller_controls_mine:** James A  Sigmon → Mine #2; 2007-02-21 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Keokee Mining LLC → Mine #2; 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