# Relationship history for MSHA mine 1508453

Current hierarchy: **Logan James H → Adobe Corp → No 3 Strip**

- 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:** Adobe Corp → No 3 Strip; 1975-01-01 to 1976-08-11; source msha-controller-operator-history
- **controller_controls_mine:** Chastine Bob → No 3 Strip; 1975-01-01 to 1976-08-11; source msha-controller-operator-history
- **controller_controls_operator:** Chastine Bob → Adobe Corp; 1975-01-01 to 1976-08-11; source msha-controller-operator-history
- **operator_operates_mine:** Adobe Corp → No 3 Strip; 1976-08-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Logan James H → No 3 Strip; 1976-08-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Logan James H → Adobe Corp; 1976-08-12 to current/open; source msha-controller-operator-history