# Relationship history for MSHA mine 0404705

Current hierarchy: **Kasler Corp → Kasler Corp → El Jaro**

- 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:** L D  Hawley → El Jaro; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** L S Hawley Corp → El Jaro; 1984-06-01 to 1992-06-30; source msha-controller-operator-history
- **controller_controls_operator:** L D  Hawley → L S Hawley Corp; 1984-06-01 to 1992-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Kasler Corp → El Jaro; 1985-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Kasler Corp → El Jaro; 1992-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kasler Corp → Kasler Corp; 1992-07-01 to current/open; source msha-controller-operator-history