# Relationship history for MSHA mine 4405201

Current hierarchy: **Horace Garrison  Hill → Hills Fuel Company → Tipple #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

- **operator_operates_mine:** Andover Enterprises Inc → Tipple #2; 1979-04-01 to 1987-03-17; source msha-controller-operator-history
- **controller_controls_mine:** Thomas V  Cooper → Tipple #2; 1979-04-01 to 2001-07-24; source msha-controller-operator-history
- **controller_controls_operator:** Thomas V  Cooper → Andover Enterprises Inc; 1979-04-01 to 1987-03-17; source msha-controller-operator-history
- **operator_operates_mine:** Purchase Coal Company → Tipple #2; 1987-03-18 to 1989-12-21; source msha-controller-operator-history
- **controller_controls_mine:** Wright Goebel Et Al → Tipple #2; 1987-03-18 to 1989-12-21; source msha-controller-operator-history
- **controller_controls_operator:** Wright Goebel Et Al → Purchase Coal Company; 1987-03-18 to 1989-12-21; source msha-controller-operator-history
- **operator_operates_mine:** Andover Enterprises Inc → Tipple #2; 1989-12-22 to 1996-07-18; source msha-controller-operator-history
- **controller_controls_mine:** Fraley Chris → Tipple #2; 1989-12-22 to 1996-07-18; source msha-controller-operator-history
- **controller_controls_operator:** Fraley Chris → Andover Enterprises Inc; 1989-12-22 to 1996-07-18; source msha-controller-operator-history
- **operator_operates_mine:** Andover Enterprises Inc → Tipple #2; 1996-07-19 to 2001-07-24; source msha-controller-operator-history
- **controller_controls_operator:** Thomas V  Cooper → Andover Enterprises Inc; 1996-07-19 to 2001-07-24; source msha-controller-operator-history
- **controller_controls_mine:** Jeffrey W  Newberry → Tipple #2; 1997-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Nehemiah Coal Company Inc → Tipple #2; 2001-07-25 to 2006-03-08; source msha-controller-operator-history
- **controller_controls_operator:** Jeffrey W  Newberry → Nehemiah Coal Company Inc; 2001-07-25 to 2006-03-08; source msha-controller-operator-history
- **operator_operates_mine:** Commonwealth Tipple Inc → Tipple #2; 2006-03-09 to 2009-01-05; source msha-controller-operator-history
- **controller_controls_mine:** Charles D  Mullins → Tipple #2; 2006-03-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles D  Mullins → Commonwealth Tipple Inc; 2006-03-09 to 2009-01-05; source msha-controller-operator-history
- **controller_controls_mine:** Horace Garrison  Hill → Tipple #2; 2006-08-21 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Hills Fuel Company → Tipple #2; 2009-01-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Horace Garrison  Hill → Hills Fuel Company; 2009-01-06 to current/open; source msha-controller-operator-history