# Relationship history for MSHA mine 3608980

Current hierarchy: **John P  Garcia → Genesis Inc → Genesis No. 17**

- 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:** John P  Garcia et al → Genesis No. 17; 1990-09-04 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Genesis Inc → Genesis No. 17; 2001-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John P  Garcia et al → Genesis Inc; 2001-04-01 to current/open; source msha-controller-operator-history