# Relationship history for MSHA mine 0405596

Current hierarchy: **Lorri Ann  Hackler → Black Butte Cinders → Black Butte Cinders**

- 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:** Black Butte Cinders → Black Butte Cinders; 2004-05-18 to 2011-12-13; source msha-controller-operator-history
- **controller_controls_mine:** William Charles  Hackler  et al → Black Butte Cinders; 2004-05-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** William Charles  Hackler  et al → Black Butte Cinders; 2004-05-18 to 2011-12-13; source msha-controller-operator-history
- **operator_operates_mine:** Black Butte Cinders → Black Butte Cinders; 2011-12-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lorri Ann  Hackler → Black Butte Cinders; 2011-12-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lorri Ann  Hackler → Black Butte Cinders; 2011-12-14 to current/open; source msha-controller-operator-history