# Relationship history for MSHA mine 4605895

Current hierarchy: **Philip T  Lambert → Cindas Creek Energy Inc → Mine No 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

- **operator_operates_mine:** Warren Mining Inc → Mine No 1; 1978-11-01 to 1985-07-21; source msha-controller-operator-history
- **controller_controls_mine:** Hovetter Warren → Mine No 1; 1978-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hovetter Warren → Warren Mining Inc; 1978-11-01 to 1985-07-21; source msha-controller-operator-history
- **controller_controls_mine:** Philip T  Lambert → Mine No 1; 1985-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cindas Creek Energy Inc → Mine No 1; 1985-07-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Philip T  Lambert → Cindas Creek Energy Inc; 1985-07-22 to current/open; source msha-controller-operator-history