# Relationship history for MSHA mine 4202356

Current hierarchy: **ACNR Holdings, Inc → Utah Land Resources, Inc. → Princess 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:** Andalex Resources B V → Princess Mine; 1995-01-12 to 2006-08-08; source msha-controller-operator-history
- **operator_operates_mine:** Genwal Resources, Inc. → Princess Mine; 2003-03-03 to 2020-09-16; source msha-controller-operator-history
- **controller_controls_operator:** Andalex Resources B V → Genwal Resources, Inc.; 2003-03-03 to 2006-08-08; source msha-controller-operator-history
- **controller_controls_mine:** Robert E  Murray → Princess Mine; 2006-08-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert E  Murray → Genwal Resources, Inc.; 2006-08-09 to 2020-09-16; source msha-controller-operator-history
- **operator_operates_mine:** Utah Land Resources, Inc. → Princess Mine; 2020-09-17 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** ACNR Holdings, Inc → Princess Mine; 2020-09-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** ACNR Holdings, Inc → Utah Land Resources, Inc.; 2020-09-17 to current/open; source msha-controller-operator-history