# Relationship history for MSHA mine 2902196

Current hierarchy: **Ted R  Behne → Behne Construction Company Inc → BEHNE CONST CO INC**

- 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:** Ted R  Behne → BEHNE CONST CO INC; 1994-01-04 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Behne Construction Company Inc → BEHNE CONST CO INC; 1999-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ted R  Behne → Behne Construction Company Inc; 1999-09-01 to current/open; source msha-controller-operator-history