# Relationship history for MSHA mine 3401881

Current hierarchy: **James A  Duit → Duit Construction Co., Inc. → Arbuckle Mtrls. Inc., Love Co.**

- 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:** James A  Duit → Arbuckle Mtrls. Inc., Love Co.; 1997-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Duit Construction Co., Inc. → Arbuckle Mtrls. Inc., Love Co.; 2002-01-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James A  Duit → Duit Construction Co., Inc.; 2002-01-03 to current/open; source msha-controller-operator-history