# Relationship history for MSHA mine 1511897

Current hierarchy: **Slone Edward → Cripple Creek Mineral Development Company Inc → No 1 Tipple**

- 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:** Banner Industries & Kinemotive Energy → No 1 Tipple; 1978-11-28 to 1982-05-20; source msha-controller-operator-history
- **operator_operates_mine:** Kencoal Associates → No 1 Tipple; 1979-05-01 to 1982-05-20; source msha-controller-operator-history
- **controller_controls_operator:** Banner Industries & Kinemotive Energy → Kencoal Associates; 1979-05-01 to 1982-05-20; source msha-controller-operator-history
- **operator_operates_mine:** Cripple Creek Mineral Development Company Inc → No 1 Tipple; 1982-05-21 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Slone Edward → No 1 Tipple; 1982-05-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Slone Edward → Cripple Creek Mineral Development Company Inc; 1982-05-21 to current/open; source msha-controller-operator-history