# Relationship history for MSHA mine 0801374

Current hierarchy: **Stephen T.  Smith → Ranch Road Lake, LLC → Ranch Road Lake Mine**

- 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:** Ranch Road Lake LLC → Ranch Road Lake Mine; 2008-09-25 to 2012-04-03; source msha-controller-operator-history
- **controller_controls_mine:** Stephen T  Smith et al → Ranch Road Lake Mine; 2008-09-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Stephen T  Smith et al → Ranch Road Lake LLC; 2008-09-25 to 2012-04-03; source msha-controller-operator-history
- **controller_controls_operator:** Eddie  Huggins et al → Ranch Road Lake LLC; 2008-09-25 to 2012-04-03; source msha-controller-operator-history
- **operator_operates_mine:** Ranch Road Lake, LLC → Ranch Road Lake Mine; 2012-04-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Stephen T.  Smith → Ranch Road Lake Mine; 2012-04-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Stephen T.  Smith → Ranch Road Lake, LLC; 2012-04-04 to current/open; source msha-controller-operator-history