# Relationship history for MSHA mine 0202738

Current hierarchy: **Philip N  Levin → Levin Stone Co Inc → Ferno/Oaky**

- 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:** Philip N  Levin → Ferno/Oaky; 1997-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Levin Stone Company Inc → Ferno/Oaky; 1997-11-01 to 2000-02-23; source msha-controller-operator-history
- **controller_controls_operator:** Philip N  Levin → Levin Stone Company Inc; 1997-11-01 to 2000-02-23; source msha-controller-operator-history
- **operator_operates_mine:** James H Canipe → Ferno/Oaky; 2000-02-24 to 2001-05-27; source msha-controller-operator-history
- **controller_controls_mine:** James H  Canipe → Ferno/Oaky; 2000-02-24 to 2001-05-27; source msha-controller-operator-history
- **controller_controls_operator:** James H  Canipe → James H Canipe; 2000-02-24 to 2001-05-27; source msha-controller-operator-history
- **operator_operates_mine:** New West Services Inc → Ferno/Oaky; 2001-05-28 to 2002-10-08; source msha-controller-operator-history
- **controller_controls_mine:** Bob  Shuey → Ferno/Oaky; 2001-05-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bob  Shuey → New West Services Inc; 2001-05-28 to 2002-10-08; source msha-controller-operator-history
- **operator_operates_mine:** Levin Stone Co Inc → Ferno/Oaky; 2002-10-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Philip N  Levin → Levin Stone Co Inc; 2002-10-09 to current/open; source msha-controller-operator-history