# Relationship history for MSHA mine 0404684

Current hierarchy: **C Dean  Rasmussen → Parnum Paving Inc → WILLITS CRUSHER**

- 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:** Peters Trucking → WILLITS CRUSHER; 1984-01-01 to 1997-08-27; source msha-controller-operator-history
- **controller_controls_mine:** Peters Robert → WILLITS CRUSHER; 1984-01-01 to 1997-08-27; source msha-controller-operator-history
- **controller_controls_operator:** Peters Robert → Peters Trucking; 1984-01-01 to 1997-08-27; source msha-controller-operator-history
- **controller_controls_mine:** C Dean  Rasmussen → WILLITS CRUSHER; 1995-07-07 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Parnum Paving Inc → WILLITS CRUSHER; 1997-08-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** C Dean  Rasmussen → Parnum Paving Inc; 1997-08-28 to current/open; source msha-controller-operator-history