# Relationship history for MSHA mine 3004154

Current hierarchy: **Kiersten  DeLisle; John  DeLisle → GRASSHOPPER GARDENS, INC. → ELLIS MINE**

- 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:** Grasshopper Gardens, Inc. → ELLIS MINE; 2025-06-13 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John  DeLisle et al → ELLIS MINE; 2025-06-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John  DeLisle et al → Grasshopper Gardens, Inc.; 2025-06-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kiersten  DeLisle et al → Grasshopper Gardens, Inc.; 2025-06-13 to current/open; source msha-controller-operator-history
