# Relationship history for MSHA mine 0103341

Current hierarchy: **Doris  Haley → Haley Bros. Coal, Inc. → Cordova**

- 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:** Doris  Haley → Cordova; 2001-07-31 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Haley Bros. Coal, Inc. → Cordova; 2006-02-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Doris  Haley → Haley Bros. Coal, Inc.; 2006-02-09 to current/open; source msha-controller-operator-history