# Relationship history for MSHA mine 1519079

Current hierarchy: **Johnny  Goley; David  Grubb → Jellico Enterprises, LLC → Coal Stone Branch Mine #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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** David  Grubb et al → Coal Stone Branch Mine #1; 2003-05-27 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Jellico Enterprises, LLC → Coal Stone Branch Mine #1; 2007-03-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David  Grubb et al → Jellico Enterprises, LLC; 2007-03-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Johnny  Goley et al → Jellico Enterprises, LLC; 2007-03-06 to current/open; source msha-controller-operator-history