# Relationship history for MSHA mine 1002382

Current hierarchy: **Burns  Israelsen; Karl  Israelsen → Bridger Rock, LLC → Little Mountain Gravel 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Bridger Rock, LLC → Little Mountain Gravel Pit; 2025-08-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Burns  Israelsen et al → Little Mountain Gravel Pit; 2025-08-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Burns  Israelsen et al → Bridger Rock, LLC; 2025-08-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Karl  Israelsen et al → Bridger Rock, LLC; 2025-08-06 to current/open; source msha-controller-operator-history