# Relationship history for MSHA mine 2103368

Current hierarchy: **Robert L  Fadness; Jon H  Fadness → Fadness Bros Gravel → Fadness No 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Fadness Bros Gravel → Fadness No 1; 2003-07-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jon H  Fadness  et al → Fadness No 1; 2003-07-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jon H  Fadness  et al → Fadness Bros Gravel; 2003-07-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert L  Fadness  et al → Fadness Bros Gravel; 2003-07-22 to current/open; source msha-controller-operator-history