# Relationship history for MSHA mine 4406727

Current hierarchy: **Cecil T  Brinager → Calico Coal 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:** Larry Ray  Justus → No 10; 1985-12-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ernest E  Varney et al → No 10; 1989-05-01 to 2012-06-18; source msha-controller-operator-history
- **operator_operates_mine:** Calico Coal Inc → No 10; 1992-12-01 to 1995-04-26; source msha-controller-operator-history
- **controller_controls_operator:** Ernest E  Varney et al → Calico Coal Inc; 1992-12-01 to 1995-04-26; source msha-controller-operator-history
- **operator_operates_mine:** Just-Us Coal Corp → No 10; 1995-04-27 to 1995-10-10; source msha-controller-operator-history
- **controller_controls_operator:** Larry Ray  Justus → Just-Us Coal Corp; 1995-04-27 to 1995-10-10; source msha-controller-operator-history
- **controller_controls_mine:** MAPCO Inc → No 10; 1995-05-04 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Raven Coal Company Inc → No 10; 1995-10-11 to 1995-12-07; source msha-controller-operator-history
- **controller_controls_operator:** MAPCO Inc → Raven Coal Company Inc; 1995-10-11 to 1995-12-07; source msha-controller-operator-history
- **operator_operates_mine:** Kade Coal Company Inc → No 10; 1995-12-08 to 1997-03-30; source msha-controller-operator-history
- **controller_controls_mine:** Hackney Frank W → No 10; 1995-12-08 to 1997-03-30; source msha-controller-operator-history
- **controller_controls_operator:** Hackney Frank W → Kade Coal Company Inc; 1995-12-08 to 1997-03-30; source msha-controller-operator-history
- **operator_operates_mine:** K & N Coal Company Inc → No 10; 1997-03-31 to 1997-11-13; source msha-controller-operator-history
- **controller_controls_mine:** Hackney Mark A → No 10; 1997-03-31 to 1997-11-13; source msha-controller-operator-history
- **controller_controls_operator:** Hackney Mark A → K & N Coal Company Inc; 1997-03-31 to 1997-11-13; source msha-controller-operator-history
- **operator_operates_mine:** Calico Coal Inc → No 10; 1997-11-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ernest E  Varney et al → Calico Coal Inc; 1997-11-14 to 2012-06-18; source msha-controller-operator-history
- **controller_controls_mine:** Estate of Ernest E Varney → No 10; 2012-06-19 to 2014-04-14; source msha-controller-operator-history
- **controller_controls_operator:** Estate of Ernest E Varney → Calico Coal Inc; 2012-06-19 to 1995-04-26; source msha-controller-operator-history
- **controller_controls_operator:** Estate of Ernest E Varney → Calico Coal Inc; 2012-06-19 to 2014-04-14; source msha-controller-operator-history
- **controller_controls_mine:** Cecil T  Brinager → No 10; 2014-04-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cecil T  Brinager → Calico Coal Inc; 2014-04-15 to 1995-04-26; source msha-controller-operator-history
- **controller_controls_operator:** Cecil T  Brinager → Calico Coal Inc; 2014-04-15 to current/open; source msha-controller-operator-history