# Relationship history for MSHA mine 1002336

Current hierarchy: **Randy L.  Rice → Higher ground resources → Butte Gulch**

- 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:** Higher ground resources → Butte Gulch; 2021-09-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Randy L.  Rice → Butte Gulch; 2021-09-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Randy L.  Rice → Higher ground resources; 2021-09-14 to current/open; source msha-controller-operator-history