# Relationship history for MSHA mine 4703535

Current hierarchy: **Jenny  Wojtalewicz; Joe  Stuczynski → Stuczynski Trucking & Excavating Inc. → Custer 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

- **controller_controls_mine:** Larry F  Stuczynski → Custer Pit; 1984-08-01 to 2026-04-08; source msha-controller-operator-history
- **operator_operates_mine:** Stuczynski Trucking & Excavating Inc. → Custer Pit; 2008-06-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Larry F  Stuczynski → Stuczynski Trucking & Excavating Inc.; 2008-06-12 to 2026-04-08; source msha-controller-operator-history
- **controller_controls_mine:** Jenny  Wojtalewicz et al → Custer Pit; 2026-04-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jenny  Wojtalewicz et al → Stuczynski Trucking & Excavating Inc.; 2026-04-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joe  Stuczynski et al → Stuczynski Trucking & Excavating Inc.; 2026-04-09 to current/open; source msha-controller-operator-history