# Relationship history for MSHA mine 4608373

Current hierarchy: **Dulaney Lowell J → Dakota Creek Corp → Baughman Run No 2**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Dulaney Lowell J → Baughman Run No 2; 1992-10-06 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Dakota Creek Corp → Baughman Run No 2; 1993-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dulaney Lowell J → Dakota Creek Corp; 1993-12-01 to current/open; source msha-controller-operator-history
