# Relationship history for MSHA mine 4300336

Current hierarchy: **Stephen M Taran; Joseph M Taran → TARAN BROTHERS SLATE CO. → TARAN BROTHERS S1 SLATE QUARRY**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Stephen M  Taran → TARAN BROTHERS S1 SLATE QUARRY; 1950-01-01 to 2025-03-17; source msha-controller-operator-history
- **operator_operates_mine:** South Poultney Slate Company → TARAN BROTHERS S1 SLATE QUARRY; 1980-03-01 to 2014-07-07; source msha-controller-operator-history
- **controller_controls_mine:** Francis R  Hayes → TARAN BROTHERS S1 SLATE QUARRY; 1980-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Francis R  Hayes → South Poultney Slate Company; 1980-03-01 to 2014-07-07; source msha-controller-operator-history
- **operator_operates_mine:** Taran Brothers Slate Co. → TARAN BROTHERS S1 SLATE QUARRY; 2014-07-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Stephen M  Taran → Taran Brothers Slate Co.; 2014-07-08 to 2025-03-17; source msha-controller-operator-history
- **controller_controls_mine:** Stephen M Taran et al → TARAN BROTHERS S1 SLATE QUARRY; 2025-03-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Stephen M Taran et al → Taran Brothers Slate Co.; 2025-03-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joseph M Taran et al → Taran Brothers Slate Co.; 2025-03-18 to current/open; source msha-controller-operator-history