# Relationship history for MSHA mine 4407077

Current hierarchy: **Debra J  Stewart → Schae's Contracting Inc. → Osaka Tipple #1**

- 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:** Bright Tommy N-Carter C Long Et Al → Osaka Tipple #1; 1988-12-01 to 2003-01-27; source msha-controller-operator-history
- **controller_controls_mine:** Tommy N  Bright I → Osaka Tipple #1; 2003-01-28 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Elite Tipples Inc → Osaka Tipple #1; 2003-07-14 to 2004-01-11; source msha-controller-operator-history
- **controller_controls_operator:** Bright Tommy N-Carter C Long Et Al → Elite Tipples Inc; 2003-07-14 to 2003-01-27; source msha-controller-operator-history
- **controller_controls_operator:** Tommy N  Bright I → Elite Tipples Inc; 2003-07-14 to 2004-01-11; source msha-controller-operator-history
- **operator_operates_mine:** Schae's Contracting Inc. → Osaka Tipple #1; 2004-01-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Debra J  Stewart → Osaka Tipple #1; 2004-01-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Debra J  Stewart → Schae's Contracting Inc.; 2004-01-12 to current/open; source msha-controller-operator-history