# Relationship history for MSHA mine 3610310

Current hierarchy: **Jimmy L  Davis → Crazy Horse Coal Company, LLC → Auger #1**

- 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:** Crazy Horse Coal Company, LLC → Auger #1; 2019-11-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jimmy L  Davis → Auger #1; 2019-11-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jimmy L  Davis → Crazy Horse Coal Company, LLC; 2019-11-19 to current/open; source msha-controller-operator-history