# Relationship history for MSHA mine 3503734

Current hierarchy: **Bruce B  Nash; Michael T  Moore; Jeffrey A  Schutte → JAL Construction, Inc. → JAL Portable-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:** JAL Construction, Inc. → JAL Portable-1; 2010-03-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Loren J  Levesque → JAL Portable-1; 2010-03-14 to 2025-07-21; source msha-controller-operator-history
- **controller_controls_operator:** Loren J  Levesque → JAL Construction, Inc.; 2010-03-14 to 2025-07-21; source msha-controller-operator-history
- **controller_controls_mine:** Jeffrey A  Schutte et al → JAL Portable-1; 2025-07-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeffrey A  Schutte et al → JAL Construction, Inc.; 2025-07-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael T  Moore et al → JAL Construction, Inc.; 2025-07-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bruce B  Nash et al → JAL Construction, Inc.; 2025-07-22 to current/open; source msha-controller-operator-history