# Relationship history for MSHA mine 0301970

Current hierarchy: **Jim  Otteman → Summit Sand & Aggregates LLC → Newport**

- 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:** Ozark Premium Sand LLC → Newport; 2008-06-18 to 2017-02-01; source msha-controller-operator-history
- **controller_controls_mine:** Steve R  Hackman et al → Newport; 2008-06-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Steve R  Hackman et al → Ozark Premium Sand LLC; 2008-06-18 to 2017-02-01; source msha-controller-operator-history
- **controller_controls_mine:** Select Sands Corp → Newport; 2016-12-08 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** American Select Corp → Newport; 2017-02-02 to 2025-03-23; source msha-controller-operator-history
- **controller_controls_operator:** Select Sands Corp → American Select Corp; 2017-02-02 to 2025-03-23; source msha-controller-operator-history
- **operator_operates_mine:** Konya Sands LLC → Newport; 2025-03-24 to 2025-12-21; source msha-controller-operator-history
- **controller_controls_mine:** Anthony J Konya → Newport; 2025-03-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Anthony J Konya → Konya Sands LLC; 2025-03-24 to 2025-12-21; source msha-controller-operator-history
- **operator_operates_mine:** Summit Sand & Aggregates LLC → Newport; 2025-12-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jim  Otteman → Newport; 2025-12-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jim  Otteman → Summit Sand & Aggregates LLC; 2025-12-22 to current/open; source msha-controller-operator-history