# Relationship history for MSHA mine 3003908

Current hierarchy: **Ruth E  Jameson; Ronald S  Jameson → RON JAMESON CONTRACTOR LLC → RON JAMESON PROCESSING**

- 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:** Ron Jameson Contractor LLC → RON JAMESON PROCESSING; 2014-04-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ruth E  Jameson et al → RON JAMESON PROCESSING; 2014-04-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ruth E  Jameson et al → Ron Jameson Contractor LLC; 2014-04-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ronald S  Jameson et al → Ron Jameson Contractor LLC; 2014-04-22 to current/open; source msha-controller-operator-history