# Relationship history for MSHA mine 0504508

Current hierarchy: **Franklin Consolidated Mng Co Inc & Island Investme → Gems & Minerals Corp → MOGUL 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:** Durango Metals Inc → MOGUL MINE; 1992-11-01 to 1996-08-11; source msha-controller-operator-history
- **controller_controls_mine:** Durango Metals Inc → MOGUL MINE; 1992-11-01 to 1996-08-11; source msha-controller-operator-history
- **controller_controls_operator:** Durango Metals Inc → Durango Metals Inc; 1992-11-01 to 1996-08-11; source msha-controller-operator-history
- **controller_controls_mine:** Franklin Consolidated Mng Co Inc & Island Investme → MOGUL MINE; 1993-03-22 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Gems & Minerals Corp → MOGUL MINE; 1996-08-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Franklin Consolidated Mng Co Inc & Island Investme → Gems & Minerals Corp; 1996-08-12 to current/open; source msha-controller-operator-history