# Relationship history for MSHA mine 0103172

Current hierarchy: **Pat A  Jones → Southland Resources, Inc. → Searles Mine No. 2, 3, 4, 5, 6, 7, 8 & 9**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **controller_controls_mine:** Pat A  Jones → Searles Mine No. 2, 3, 4, 5, 6, 7, 8 & 9; 1998-02-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Southland Resources, Inc. → Searles Mine No. 2, 3, 4, 5, 6, 7, 8 & 9; 1999-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pat A  Jones → Southland Resources, Inc.; 1999-06-01 to current/open; source msha-controller-operator-history
