# Relationship history for MSHA mine 3605679

Current hierarchy: **Anthony  Savitski Sr; Anthony  Savitski Jr → Savitski Brothers Coal Sales → A And J Strip**

- 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:** Anthony  Savitski Jr et al → A And J Strip; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Savitski Brothers Coal Sales → A And J Strip; 1975-07-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Anthony  Savitski Jr et al → Savitski Brothers Coal Sales; 1975-07-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Anthony  Savitski Sr et al → Savitski Brothers Coal Sales; 1975-07-29 to current/open; source msha-controller-operator-history