# Relationship history for MSHA mine 1002044

Current hierarchy: **Paul  Kesler; Scott  Kesler → Hilltop Rock Sand & Gravel LLC → Hilltop Rock Sand & Gravel**

- 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

- **operator_operates_mine:** Ellibee Gravel Products → Hilltop Rock Sand & Gravel; 2003-08-20 to 2017-07-31; source msha-controller-operator-history
- **controller_controls_mine:** Bonnie L  Ellibee et al → Hilltop Rock Sand & Gravel; 2003-08-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bonnie L  Ellibee et al → Ellibee Gravel Products; 2003-08-20 to 2017-07-31; source msha-controller-operator-history
- **controller_controls_operator:** Larry L  Ellibee  et al → Ellibee Gravel Products; 2003-08-20 to 2017-07-31; source msha-controller-operator-history
- **operator_operates_mine:** Hilltop Rock Sand & Gravel LLC → Hilltop Rock Sand & Gravel; 2017-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Scott  Kesler et al → Hilltop Rock Sand & Gravel; 2017-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scott  Kesler et al → Hilltop Rock Sand & Gravel LLC; 2017-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Paul  Kesler et al → Hilltop Rock Sand & Gravel LLC; 2017-08-01 to current/open; source msha-controller-operator-history