# Relationship history for MSHA mine 1519954

Current hierarchy: **Javelin Global Commodities (UK) Ltd → BLUEGRASS NATURAL RESOURCES, LLC → COLDIRON OWL MINE**

- 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 H  Parton → COLDIRON OWL MINE; 2022-04-27 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Javelin Global Commodities (UK) Ltd → COLDIRON OWL MINE; 2023-08-03 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Bluegrass Natural Resources, LLC → COLDIRON OWL MINE; 2024-04-16 to 2024-07-07; source msha-controller-operator-history
- **controller_controls_operator:** Javelin Global Commodities (UK) Ltd → Bluegrass Natural Resources, LLC; 2024-04-16 to 2024-07-07; source msha-controller-operator-history
- **operator_operates_mine:** Bell Energy, Inc. → COLDIRON OWL MINE; 2024-07-08 to 2024-10-16; source msha-controller-operator-history
- **controller_controls_operator:** John H  Parton → Bell Energy, Inc.; 2024-07-08 to 2024-10-16; source msha-controller-operator-history
- **operator_operates_mine:** Bluegrass Natural Resources, LLC → COLDIRON OWL MINE; 2024-10-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Javelin Global Commodities (UK) Ltd → Bluegrass Natural Resources, LLC; 2024-10-17 to current/open; source msha-controller-operator-history