# Relationship history for MSHA mine 1512482

Current hierarchy: **Tom  Roberts → Kelly Branch Resources, Inc. → KOK #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:** Tex  Eldridge et al → KOK #2; 1976-10-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Nicholas  Saylor et al → KOK #2; 1978-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Eldridge Coal Company Inc → KOK #2; 1980-08-01 to 1985-05-27; source msha-controller-operator-history
- **controller_controls_operator:** Tex  Eldridge et al → Eldridge Coal Company Inc; 1980-08-01 to 1985-05-27; source msha-controller-operator-history
- **operator_operates_mine:** T & T Mining Company → KOK #2; 1985-05-28 to 1989-03-13; source msha-controller-operator-history
- **controller_controls_mine:** Tony Carlis  Mahon → KOK #2; 1985-05-28 to 1989-03-13; source msha-controller-operator-history
- **controller_controls_operator:** Tony Carlis  Mahon → T & T Mining Company; 1985-05-28 to 1989-03-13; source msha-controller-operator-history
- **controller_controls_mine:** Cumberland Resources Corporation → KOK #2; 1989-03-01 to 1996-08-14; source msha-controller-operator-history
- **operator_operates_mine:** New Harlan Block Coal Company Inc → KOK #2; 1989-03-14 to 1989-11-16; source msha-controller-operator-history
- **controller_controls_operator:** Nicholas  Saylor et al → New Harlan Block Coal Company Inc; 1989-03-14 to 1989-11-16; source msha-controller-operator-history
- **operator_operates_mine:** Benito Mining Corp → KOK #2; 1989-11-17 to 1996-08-14; source msha-controller-operator-history
- **controller_controls_operator:** Cumberland Resources Corporation → Benito Mining Corp; 1989-11-17 to 1996-08-14; source msha-controller-operator-history
- **controller_controls_mine:** Stacy  Roberts → KOK #2; 1994-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Blue Gate Energy Inc → KOK #2; 1996-08-15 to 1996-10-24; source msha-controller-operator-history
- **controller_controls_mine:** Clayton V  Roberts → KOK #2; 1996-08-15 to 1996-10-24; source msha-controller-operator-history
- **controller_controls_operator:** Clayton V  Roberts → Blue Gate Energy Inc; 1996-08-15 to 1996-10-24; source msha-controller-operator-history
- **operator_operates_mine:** Blue Gate Energy Inc → KOK #2; 1996-10-25 to 2001-02-19; source msha-controller-operator-history
- **controller_controls_mine:** Steve  Moore → KOK #2; 1996-10-25 to 2001-02-19; source msha-controller-operator-history
- **controller_controls_operator:** Steve  Moore → Blue Gate Energy Inc; 1996-10-25 to 2001-02-19; source msha-controller-operator-history
- **operator_operates_mine:** Northpoint Resources Llc → KOK #2; 2001-02-20 to 2002-12-09; source msha-controller-operator-history
- **controller_controls_mine:** Tom  Roberts et al → KOK #2; 2001-02-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tom  Roberts et al → Northpoint Resources Llc; 2001-02-20 to 2002-12-09; source msha-controller-operator-history
- **controller_controls_mine:** Tom  Roberts et al → KOK #2; 2001-12-11 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** CNS MINING, INC. → KOK #2; 2002-12-10 to 2003-12-11; source msha-controller-operator-history
- **controller_controls_operator:** Stacy  Roberts → CNS MINING, INC.; 2002-12-10 to 2003-12-11; source msha-controller-operator-history
- **operator_operates_mine:** Kelly Branch Resources, Inc. → KOK #2; 2003-12-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tom  Roberts et al → Kelly Branch Resources, Inc.; 2003-12-12 to current/open; source msha-controller-operator-history