# Relationship history for MSHA mine 4801884

Current hierarchy: **Tammie Marie Neville; Robert Gordon Perry → KART LLC → Hazelton 1- Turnpike**

- 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:** KART LLC → Hazelton 1- Turnpike; 2024-07-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Robert Gordon Perry et al → Hazelton 1- Turnpike; 2024-07-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert Gordon Perry et al → KART LLC; 2024-07-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tammie Marie Neville et al → KART LLC; 2024-07-03 to current/open; source msha-controller-operator-history