# Relationship history for MSHA mine 1800797

Current hierarchy: **Jonathan  Schilowitz → Mellott Company → LT200HP-005**

- 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:** H B Mellott Estate Inc → LT200HP-005; 1950-01-01 to 2022-04-04; source msha-controller-operator-history
- **operator_operates_mine:** Mellott Company → LT200HP-005; 2015-04-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** H B Mellott Estate Inc → Mellott Company; 2015-04-21 to 2022-04-04; source msha-controller-operator-history
- **controller_controls_mine:** Jonathan  Schilowitz → LT200HP-005; 2022-04-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jonathan  Schilowitz → Mellott Company; 2022-04-05 to current/open; source msha-controller-operator-history