# Relationship history for MSHA mine 1103146

Current hierarchy: **Albert Michael  Capps → Capcon Inc → Salem 1600 Auger #1 S/N 27**

- 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

- **operator_operates_mine:** Capcon Inc → Salem 1600 Auger #1 S/N 27; 2005-04-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Albert Michael  Capps → Salem 1600 Auger #1 S/N 27; 2005-04-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Albert Michael  Capps → Capcon Inc; 2005-04-07 to current/open; source msha-controller-operator-history