# Relationship history for MSHA mine 3503115

Current hierarchy: **George S  Fan → Dewmount Boise Corp → Clarks Creek Placer**

- 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:** Robert M Lattig → Clarks Creek Placer; 1983-08-01 to 1993-08-22; source msha-controller-operator-history
- **controller_controls_mine:** Lattig Robert M → Clarks Creek Placer; 1983-08-01 to 1993-08-22; source msha-controller-operator-history
- **controller_controls_operator:** Lattig Robert M → Robert M Lattig; 1983-08-01 to 1993-08-22; source msha-controller-operator-history
- **controller_controls_mine:** George S  Fan → Clarks Creek Placer; 1992-11-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Dewmount Boise Corp → Clarks Creek Placer; 1993-08-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** George S  Fan → Dewmount Boise Corp; 1993-08-23 to current/open; source msha-controller-operator-history