# Relationship history for MSHA mine 0404373

Current hierarchy: **Anders Peter → Hilltop Mining Company Inc → Underground Seneca 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

- **operator_operates_mine:** Seneca Gold Mining Company → Underground Seneca Properties; 1980-01-01 to 1983-05-17; source msha-controller-operator-history
- **controller_controls_mine:** Nicholls Joseph A Et Al → Underground Seneca Properties; 1980-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Nicholls Joseph A Et Al → Seneca Gold Mining Company; 1980-01-01 to 1983-05-17; source msha-controller-operator-history
- **controller_controls_mine:** Anders Peter → Underground Seneca Properties; 1983-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Hilltop Mining Company Inc → Underground Seneca Properties; 1983-05-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Anders Peter → Hilltop Mining Company Inc; 1983-05-18 to current/open; source msha-controller-operator-history