# Relationship history for MSHA mine 3304494

Current hierarchy: **IRG Stone LLC → IRG Newcastle LLC → IRG Newcastle LLC**

- 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:** Central Alloy Processing, Inc. → IRG Newcastle LLC; 2002-02-05 to 2006-05-17; source msha-controller-operator-history
- **controller_controls_mine:** R. Grant  Elliott → IRG Newcastle LLC; 2002-02-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** R. Grant  Elliott → Central Alloy Processing, Inc.; 2002-02-05 to 2006-05-17; source msha-controller-operator-history
- **operator_operates_mine:** Capstone Rock Products, LLC → IRG Newcastle LLC; 2006-05-18 to 2018-10-03; source msha-controller-operator-history
- **controller_controls_mine:** W Scott  Elliott et al → IRG Newcastle LLC; 2006-05-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** W Scott  Elliott et al → Capstone Rock Products, LLC; 2006-05-18 to 2018-10-03; source msha-controller-operator-history
- **operator_operates_mine:** IRG Newcastle LLC → IRG Newcastle LLC; 2018-10-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** IRG Stone LLC → IRG Newcastle LLC; 2018-10-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** IRG Stone LLC → IRG Newcastle LLC; 2018-10-04 to current/open; source msha-controller-operator-history