# Relationship history for MSHA mine 5001593

Current hierarchy: **Robert  Stein → Lucky Strike Mining Company → Gilmore Creek**

- 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:** Goldstream Joint Venture → Gilmore Creek; 1989-09-01 to 1995-03-16; source msha-controller-operator-history
- **controller_controls_mine:** Depem et al → Gilmore Creek; 1989-09-01 to 1995-03-16; source msha-controller-operator-history
- **controller_controls_operator:** Depem et al → Goldstream Joint Venture; 1989-09-01 to 1995-03-16; source msha-controller-operator-history
- **operator_operates_mine:** Lucky Strike Mining Company → Gilmore Creek; 1995-03-17 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Robert  Stein → Gilmore Creek; 1995-03-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert  Stein → Lucky Strike Mining Company; 1995-03-17 to current/open; source msha-controller-operator-history