# Relationship history for MSHA mine 4801766

Current hierarchy: **New Era Petroleum (Jersey) Ltd → New Era Petroleum, Inc. → West Warm Springs Field Project**

- 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

- **controller_controls_mine:** New Era Petroleum (Jersey) Ltd et al → West Warm Springs Field Project; 2010-03-06 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** New Era Petroleum, Inc. → West Warm Springs Field Project; 2012-07-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** New Era Petroleum (Jersey) Ltd et al → New Era Petroleum, Inc.; 2012-07-03 to current/open; source msha-controller-operator-history