# Relationship history for MSHA mine 4406912

Current hierarchy: **Ted  Osborne Jr → Shady Lane Coal Corp → Mine No 8**

- 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:** Ted  Osborne Jr → Mine No 8; 1981-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kenneth L  Stacy → Mine No 8; 1989-01-01 to 2006-01-02; source msha-controller-operator-history
- **operator_operates_mine:** Banner Company → Mine No 8; 1998-05-01 to 2000-06-18; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth L  Stacy → Banner Company; 1998-05-01 to 2000-06-18; source msha-controller-operator-history
- **operator_operates_mine:** Shady Lane Coal Corp → Mine No 8; 2000-06-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ted  Osborne Jr → Shady Lane Coal Corp; 2000-06-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** United  Company → Mine No 8; 2006-01-03 to 2009-04-29; source msha-controller-operator-history
- **controller_controls_operator:** United  Company → Banner Company; 2006-01-03 to 2000-06-18; source msha-controller-operator-history
- **controller_controls_mine:** Metinvest B V → Mine No 8; 2009-04-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Metinvest B V → Banner Company; 2009-04-30 to 2000-06-18; source msha-controller-operator-history