# Relationship history for MSHA mine 1519208

Current hierarchy: **Jessica R  Lester → Inspiration Resources Inc. → # 4**

- 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:** Robin Roy Belcher → # 4; 1980-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Harold E  Akers et al → # 4; 2001-12-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jessica R  Lester et al → # 4; 2003-02-26 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** P B Dirt Movers Inc. → # 4; 2008-04-03 to 2008-08-12; source msha-controller-operator-history
- **controller_controls_operator:** Robin Roy Belcher → P B Dirt Movers Inc.; 2008-04-03 to 2008-08-12; source msha-controller-operator-history
- **operator_operates_mine:** Hubble Mining Company LLC → # 4; 2008-08-13 to 2013-01-30; source msha-controller-operator-history
- **controller_controls_operator:** Harold E  Akers et al → Hubble Mining Company LLC; 2008-08-13 to 2013-01-30; source msha-controller-operator-history
- **controller_controls_operator:** Jim D  Akers et al → Hubble Mining Company LLC; 2008-08-13 to 2013-01-30; source msha-controller-operator-history
- **operator_operates_mine:** Inspiration Resources Inc. → # 4; 2013-01-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jessica R  Lester et al → Inspiration Resources Inc.; 2013-01-31 to current/open; source msha-controller-operator-history