# Relationship history for MSHA mine 4607244

Current hierarchy: **Larry  Lilly → Hickory Resources Partnership → Garden Ground Surface**

- 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:** Weber Philip H → Garden Ground Surface; 1980-12-08 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Coalmac Inc → Garden Ground Surface; 1986-12-01 to 1987-03-24; source msha-controller-operator-history
- **controller_controls_operator:** Weber Philip H → Coalmac Inc; 1986-12-01 to 1987-03-24; source msha-controller-operator-history
- **operator_operates_mine:** Hickory Resources Partnership → Garden Ground Surface; 1987-03-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Larry  Lilly → Garden Ground Surface; 1987-03-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Larry  Lilly → Hickory Resources Partnership; 1987-03-25 to current/open; source msha-controller-operator-history