# Relationship history for MSHA mine 1518358

Current hierarchy: **Jeffery A  Hoops → Cutting Edge Resources LLC → No 55**

- 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:** Richard  Collett → No 55; 1990-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Hi-Wall Mining Contractors Inc → No 55; 2001-04-01 to 2001-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Richard  Collett → Hi-Wall Mining Contractors Inc; 2001-04-01 to 2001-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Cutting Edge Resources LLC → No 55; 2001-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jeffery A  Hoops → No 55; 2001-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeffery A  Hoops → Cutting Edge Resources LLC; 2001-07-01 to current/open; source msha-controller-operator-history