# Relationship history for MSHA mine 0103449

Current hierarchy: **Stephen  Moscicki → Primary Resources USA LLC → Kilgore 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:** Primary Resources USA LLC → Kilgore Pit; 2012-05-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Stephen  Moscicki et al → Kilgore Pit; 2012-05-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Stephen  Moscicki et al → Primary Resources USA LLC; 2012-05-15 to current/open; source msha-controller-operator-history