# Relationship history for MSHA mine 1103267

Current hierarchy: **Christopher  Timp → Stockton Stone, Inc. → Stockton Stone, Inc. (P-Mark)**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Stockton Stone, Inc. → Stockton Stone, Inc. (P-Mark); 2013-12-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Christopher  Timp → Stockton Stone, Inc. (P-Mark); 2013-12-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Christopher  Timp → Stockton Stone, Inc.; 2013-12-02 to current/open; source msha-controller-operator-history