# Relationship history for MSHA mine 1518984

Current hierarchy: **Harold E  Akers; Jim D  Akers → Hubble Mining Company LLC → Mine No 9**

- 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:** Ashland Inc et al → Mine No 9; 1987-05-18 to 2005-12-11; source msha-controller-operator-history
- **controller_controls_mine:** Harold E  Akers et al → Mine No 9; 2001-12-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Arch Resources Inc → Mine No 9; 2005-12-12 to 2017-09-13; source msha-controller-operator-history
- **operator_operates_mine:** Cumberland River Coal Co Inc → Mine No 9; 2006-05-05 to 2010-08-08; source msha-controller-operator-history
- **controller_controls_operator:** Ashland Inc et al → Cumberland River Coal Co Inc; 2006-05-05 to 2005-12-11; source msha-controller-operator-history
- **controller_controls_operator:** Arch Resources Inc → Cumberland River Coal Co Inc; 2006-05-05 to 2010-08-08; source msha-controller-operator-history
- **operator_operates_mine:** Hubble Mining Company LLC → Mine No 9; 2010-08-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Harold E  Akers et al → Hubble Mining Company LLC; 2010-08-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jim D  Akers et al → Hubble Mining Company LLC; 2010-08-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jeffery A  Hoops → Mine No 9; 2017-09-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeffery A  Hoops → Cumberland River Coal Co Inc; 2017-09-14 to 2010-08-08; source msha-controller-operator-history