# Relationship history for MSHA mine 3503406

Current hierarchy: **Carl G  Adams → Bojac Inc → Pelton Pit**

- 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:** Bojac Inc → Pelton Pit; 1994-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Walter J  Nelson → Pelton Pit; 1994-03-01 to 2009-07-07; source msha-controller-operator-history
- **controller_controls_operator:** Walter J  Nelson → Bojac Inc; 1994-03-01 to 2009-07-07; source msha-controller-operator-history
- **controller_controls_mine:** Carl G  Adams → Pelton Pit; 2009-07-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Carl G  Adams → Bojac Inc; 2009-07-08 to current/open; source msha-controller-operator-history