# Relationship history for MSHA mine 2003458

Current hierarchy: **Mark P  Kerr → KGL Associates, Inc → Jeany1**

- 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:** KGL Associates, Inc → Jeany1; 2012-04-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mark P  Kerr et al → Jeany1; 2012-04-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mark P  Kerr et al → KGL Associates, Inc; 2012-04-06 to current/open; source msha-controller-operator-history