# Relationship history for MSHA mine 1514565

Current hierarchy: **Miller David H → Mountain Equipment Company Inc → No 1**

- 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:** Miller David H → No 1; 1982-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lewis Lonnie B → No 1; 1983-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Silver Creek Mining Company → No 1; 1984-04-01 to 1984-11-07; source msha-controller-operator-history
- **controller_controls_operator:** Lewis Lonnie B → Silver Creek Mining Company; 1984-04-01 to 1984-11-07; source msha-controller-operator-history
- **operator_operates_mine:** Weyanoke Mining Inc → No 1; 1984-11-08 to 1985-10-09; source msha-controller-operator-history
- **controller_controls_mine:** Huffman Kip → No 1; 1984-11-08 to 1985-10-09; source msha-controller-operator-history
- **controller_controls_operator:** Huffman Kip → Weyanoke Mining Inc; 1984-11-08 to 1985-10-09; source msha-controller-operator-history
- **operator_operates_mine:** Mountain Equipment Company Inc → No 1; 1985-10-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Miller David H → Mountain Equipment Company Inc; 1985-10-10 to current/open; source msha-controller-operator-history