# Relationship history for MSHA mine 2602267

Current hierarchy: **Samuel A  Nevis → Canyon Creek Construction Inc → CANYON CREEK CONSTRUCTION**

- 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:** W (Wallace) Jaxon  Baker → CANYON CREEK CONSTRUCTION; 1991-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Western Sierra Aggreagate → CANYON CREEK CONSTRUCTION; 1994-11-01 to 1995-04-26; source msha-controller-operator-history
- **controller_controls_mine:** Samuel A  Nevis → CANYON CREEK CONSTRUCTION; 1994-11-01 to 1995-04-26; source msha-controller-operator-history
- **controller_controls_operator:** Samuel A  Nevis → Western Sierra Aggreagate; 1994-11-01 to 1995-04-26; source msha-controller-operator-history
- **operator_operates_mine:** Jaxon Enterprises → CANYON CREEK CONSTRUCTION; 1995-04-27 to 1997-08-07; source msha-controller-operator-history
- **controller_controls_operator:** W (Wallace) Jaxon  Baker → Jaxon Enterprises; 1995-04-27 to 1997-08-07; source msha-controller-operator-history
- **operator_operates_mine:** Canyon Creek Construction Inc → CANYON CREEK CONSTRUCTION; 1997-08-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Samuel A  Nevis → CANYON CREEK CONSTRUCTION; 1997-08-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Samuel A  Nevis → Canyon Creek Construction Inc; 1997-08-08 to current/open; source msha-controller-operator-history