# Relationship history for MSHA mine 2402760

Current hierarchy: **ABK Holdings Corporation → Eden Mining & Reclamation Corp, Inc. → Elizabeth 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

- **operator_operates_mine:** Eden Mining & Reclamation Corp, Inc. → Elizabeth Mine; 2020-12-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** ABK Holdings Corporation → Elizabeth Mine; 2020-12-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** ABK Holdings Corporation → Eden Mining & Reclamation Corp, Inc.; 2020-12-18 to current/open; source msha-controller-operator-history