# Relationship history for MSHA mine 1519613

Current hierarchy: **James N  Cosmides; Kevin A  Marshburn → Jaymax Coal Resources, LLC → Auger Serial # MBS11 Feds Creek #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: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **controller_controls_mine:** James N  Cosmides et al → Auger Serial # MBS11 Feds Creek #1; 2010-09-16 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Jaymax Coal Resources, LLC → Auger Serial # MBS11 Feds Creek #1; 2011-08-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James N  Cosmides et al → Jaymax Coal Resources, LLC; 2011-08-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kevin A  Marshburn et al → Jaymax Coal Resources, LLC; 2011-08-04 to current/open; source msha-controller-operator-history