# Relationship history for MSHA mine 0301986

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

- 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:** Steve R  Hackman et al → Possum Grape; 2008-06-18 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Ozark Premium Sand, LLC → Possum Grape; 2009-08-14 to 2016-12-07; source msha-controller-operator-history
- **controller_controls_operator:** Steve R  Hackman et al → Ozark Premium Sand, LLC; 2009-08-14 to 2016-12-07; source msha-controller-operator-history
- **operator_operates_mine:** American Select Corp → Possum Grape; 2016-12-08 to 2025-03-23; source msha-controller-operator-history
- **controller_controls_mine:** Select Sands Corp → Possum Grape; 2016-12-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Select Sands Corp → American Select Corp; 2016-12-08 to 2025-03-23; source msha-controller-operator-history
- **operator_operates_mine:** Konya Sands LLC → Possum Grape; 2025-03-24 to 2025-12-21; source msha-controller-operator-history
- **controller_controls_mine:** Anthony J Konya → Possum Grape; 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 → Possum Grape; 2025-12-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jim  Otteman → Possum Grape; 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