# Relationship history for MSHA mine 1519812

Current hierarchy: **Randy Darren  Cleary; Joe  Cleary; Wesley  Cleary → Todd County Holdings, LLC → Todd County Stone**

- 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:** Todd County Stone, LLC → Todd County Stone; 2018-10-17 to 2025-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Timothy M Sisco et al → Todd County Stone; 2018-10-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Timothy M Sisco et al → Todd County Stone, LLC; 2018-10-17 to 2025-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Tammy L Sisco et al → Todd County Stone, LLC; 2018-10-17 to 2025-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Todd County Holdings, LLC → Todd County Stone; 2025-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Joe  Cleary et al → Todd County Stone; 2025-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joe  Cleary et al → Todd County Holdings, LLC; 2025-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Wesley  Cleary et al → Todd County Holdings, LLC; 2025-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Randy Darren  Cleary et al → Todd County Holdings, LLC; 2025-07-01 to current/open; source msha-controller-operator-history