# Relationship history for MSHA mine 0301972

Current hierarchy: **Terrell L  Pankey → SCS LLC. → SCS LLC.**

- 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

- **controller_controls_mine:** Brian D  Carrick et al → SCS LLC.; 1992-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Outlander Gravel → SCS LLC.; 2008-08-26 to 2009-03-11; source msha-controller-operator-history
- **controller_controls_operator:** Brian D  Carrick et al → Outlander Gravel; 2008-08-26 to 2009-03-11; source msha-controller-operator-history
- **operator_operates_mine:** SCS LLC. → SCS LLC.; 2009-03-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Terrell L  Pankey → SCS LLC.; 2009-03-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Terrell L  Pankey → SCS LLC.; 2009-03-12 to current/open; source msha-controller-operator-history