# Relationship history for MSHA mine 2602844

Current hierarchy: **Nick G Horning → Long Valley Rock, LLC → Long Valley Rock-Mustang 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:** Long Valley Rock, LLC → Long Valley Rock-Mustang Pit; 2019-06-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Nick G Horning → Long Valley Rock-Mustang Pit; 2019-06-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Nick G Horning → Long Valley Rock, LLC; 2019-06-03 to current/open; source msha-controller-operator-history