# Relationship history for MSHA mine 0500630

Current hierarchy: **Franklin Consolidated Mng Co Inc & Island Investme → Gems & Minerals Corp → FRANKLIN 73**

- 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:** Franklin Consolidated Mining Company Inc → FRANKLIN 73; 1950-01-01 to 1991-08-31; source msha-controller-operator-history
- **controller_controls_mine:** Dieterle Gifford A → FRANKLIN 73; 1950-01-01 to 1993-03-21; source msha-controller-operator-history
- **controller_controls_operator:** Dieterle Gifford A → Franklin Consolidated Mining Company Inc; 1950-01-01 to 1991-08-31; source msha-controller-operator-history
- **operator_operates_mine:** Adonos Resources Inc → FRANKLIN 73; 1991-09-01 to 1992-01-31; source msha-controller-operator-history
- **controller_controls_mine:** Black Cliff Mines Limited → FRANKLIN 73; 1991-09-01 to 1992-01-31; source msha-controller-operator-history
- **controller_controls_operator:** Black Cliff Mines Limited → Adonos Resources Inc; 1991-09-01 to 1992-01-31; source msha-controller-operator-history
- **operator_operates_mine:** Franklin Consolidated Mining Company Inc → FRANKLIN 73; 1992-02-01 to 1993-03-21; source msha-controller-operator-history
- **controller_controls_operator:** Dieterle Gifford A → Franklin Consolidated Mining Company Inc; 1992-02-01 to 1993-03-21; source msha-controller-operator-history
- **operator_operates_mine:** Gems & Minerals Corp → FRANKLIN 73; 1993-03-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Franklin Consolidated Mng Co Inc & Island Investme → FRANKLIN 73; 1993-03-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Franklin Consolidated Mng Co Inc & Island Investme → Gems & Minerals Corp; 1993-03-22 to current/open; source msha-controller-operator-history