# Relationship history for MSHA mine 1514301

Current hierarchy: **Donnie T  Hoskins → D & N Coal Company Inc → D And N Coal Company Mine #1**

- 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:** D & N Coal Company Inc → D And N Coal Company Mine #1; 1983-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Donnie T  Hoskins et al → D And N Coal Company Mine #1; 1983-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Donnie T  Hoskins et al → D & N Coal Company Inc; 1983-10-01 to current/open; source msha-controller-operator-history