# Relationship history for MSHA mine 2003497

Current hierarchy: **Laura L Gillespie; Richard L Gillespie → R. Gillespie Enterprises Inc. → Gillespie Plant**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** R. Gillespie Enterprises Inc. → Gillespie Plant; 2017-09-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Richard L Gillespie et al → Gillespie Plant; 2017-09-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Richard L Gillespie et al → R. Gillespie Enterprises Inc.; 2017-09-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Laura L Gillespie et al → R. Gillespie Enterprises Inc.; 2017-09-25 to current/open; source msha-controller-operator-history