# Relationship history for MSHA mine 0503794

Current hierarchy: **Clark Hardy-Waykin Ferris → Silver Creek Mining Company → Running Lode Properties**

- 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:** Clark Hardy-Waykin Ferris Et Al → Running Lode Properties; 1981-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Silver Creek Mining Company → Running Lode Properties; 1982-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Clark Hardy-Waykin Ferris Et Al → Silver Creek Mining Company; 1982-08-01 to current/open; source msha-controller-operator-history