# Relationship history for MSHA mine 1515329

Current hierarchy: **Childers Edgar & Paul → E & P Enterprises Inc → E & P Enterprises #1**

- 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:** E & P Enterprises Inc → E & P Enterprises #1; 1985-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Childers Edgar & Paul Et Al → E & P Enterprises #1; 1985-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Childers Edgar & Paul Et Al → E & P Enterprises Inc; 1985-08-01 to current/open; source msha-controller-operator-history