# Relationship history for MSHA mine 2401658

Current hierarchy: **Kramer James D → Tabor Mines & Metals Corp → Tabor No 2 - Millie Bly**

- 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

- **controller_controls_mine:** Kramer James D → Tabor No 2 - Millie Bly; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Tabor Mines & Metals Corp → Tabor No 2 - Millie Bly; 1982-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kramer James D → Tabor Mines & Metals Corp; 1982-01-01 to current/open; source msha-controller-operator-history