# Relationship history for MSHA mine 4503797

Current hierarchy: **Eclipse LLC → KLB Construction LLC → Elk Heights 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:** Elk Heights Pit LLC → Elk Heights Pit; 2020-03-18 to 2024-10-23; source msha-controller-operator-history
- **controller_controls_mine:** Jason Alvin  Moe et al → Elk Heights Pit; 2020-03-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jason Alvin  Moe et al → Elk Heights Pit LLC; 2020-03-18 to 2024-10-23; source msha-controller-operator-history
- **controller_controls_operator:** Laurie Anne  Moe et al → Elk Heights Pit LLC; 2020-03-18 to 2024-10-23; source msha-controller-operator-history
- **operator_operates_mine:** KLB Construction LLC → Elk Heights Pit; 2024-10-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Eclipse LLC → Elk Heights Pit; 2024-10-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Eclipse LLC → KLB Construction LLC; 2024-10-24 to current/open; source msha-controller-operator-history