# Relationship history for MSHA mine 1513890

Current hierarchy: **James A  Sigmon → Jericol Mining Inc. → Darby #5**

- 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 → Darby #5; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Trace Gap Coal Company → Darby #5; 1983-01-01 to 1995-11-08; source msha-controller-operator-history
- **controller_controls_mine:** Pennington Hershell Et Al → Darby #5; 1983-01-01 to 1995-11-08; source msha-controller-operator-history
- **controller_controls_operator:** Pennington Hershell Et Al → Trace Gap Coal Company; 1983-01-01 to 1995-11-08; source msha-controller-operator-history
- **controller_controls_mine:** Victor B  McKinney → Darby #5; 1995-09-11 to 1996-03-24; source msha-controller-operator-history
- **operator_operates_mine:** Black Mountain Energy Inc → Darby #5; 1995-11-09 to 1996-03-06; source msha-controller-operator-history
- **controller_controls_operator:** Victor B  McKinney → Black Mountain Energy Inc; 1995-11-09 to 1996-03-06; source msha-controller-operator-history
- **operator_operates_mine:** Jericol Mining Inc → Darby #5; 1996-03-07 to 2000-04-11; source msha-controller-operator-history
- **controller_controls_operator:** James A  Sigmon → Jericol Mining Inc; 1996-03-07 to 2000-04-11; source msha-controller-operator-history
- **operator_operates_mine:** Hunter Coales Llc → Darby #5; 2000-04-12 to 2002-03-04; source msha-controller-operator-history
- **controller_controls_mine:** Charles  Hunter → Darby #5; 2000-04-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles  Hunter → Hunter Coales Llc; 2000-04-12 to 2002-03-04; source msha-controller-operator-history
- **operator_operates_mine:** Jericol Mining Inc. → Darby #5; 2002-03-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James A  Sigmon → Jericol Mining Inc.; 2002-03-05 to current/open; source msha-controller-operator-history