# Relationship history for MSHA mine 1001573

Current hierarchy: **Jones Tyler → Nellie Mine Inc → Nellie Mine**

- 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:** Outpost Mines → Nellie Mine; 1982-06-01 to 1983-11-27; source msha-controller-operator-history
- **controller_controls_mine:** Gillis Don Et Al → Nellie Mine; 1982-06-01 to 1983-11-27; source msha-controller-operator-history
- **controller_controls_operator:** Gillis Don Et Al → Outpost Mines; 1982-06-01 to 1983-11-27; source msha-controller-operator-history
- **operator_operates_mine:** Nellie Mine Inc → Nellie Mine; 1983-11-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jones Tyler → Nellie Mine; 1983-11-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jones Tyler → Nellie Mine Inc; 1983-11-28 to current/open; source msha-controller-operator-history