# Relationship history for MSHA mine 1701104

Current hierarchy: **Christopher  Pizey; Jonathan  Pizey → Hissong Ready-Mix & Aggregates, LLC → Great Hollow 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

- **controller_controls_mine:** Kurt  Hissong et al → Great Hollow Pit; 2017-04-12 to 2023-10-03; source msha-controller-operator-history
- **operator_operates_mine:** Hissong Ready-Mix & Aggregates, LLC → Great Hollow Pit; 2023-10-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kurt  Hissong et al → Hissong Ready-Mix & Aggregates, LLC; 2023-10-04 to 2023-10-03; source msha-controller-operator-history
- **controller_controls_operator:** Chris  Pizey et al → Hissong Ready-Mix & Aggregates, LLC; 2023-10-04 to 2023-10-03; source msha-controller-operator-history
- **controller_controls_mine:** Christopher  Pizey et al → Great Hollow Pit; 2023-10-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Christopher  Pizey et al → Hissong Ready-Mix & Aggregates, LLC; 2023-10-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jonathan  Pizey et al → Hissong Ready-Mix & Aggregates, LLC; 2023-10-04 to current/open; source msha-controller-operator-history