# Relationship history for MSHA mine 2200548

Current hierarchy: **Joel Oddee  Smith; James Ron  Smith → Oddee Smith & Sons Inc → Macedonia Pit**

- 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:** Oddee Smith & Sons Inc → Macedonia Pit; 1983-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** James Ron  Smith et al → Macedonia Pit; 1983-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James Ron  Smith et al → Oddee Smith & Sons Inc; 1983-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joel Oddee  Smith et al → Oddee Smith & Sons Inc; 1983-01-01 to current/open; source msha-controller-operator-history