# Relationship history for MSHA mine 1517369

Current hierarchy: **Paul E  Bryant → Weslo Inc → Weslo Mine #3**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Paul E  Bryant → Weslo Mine #3; 1990-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Eckenrode Norbert J → Weslo Mine #3; 1992-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Canyon Inc → Weslo Mine #3; 1993-02-01 to 1993-05-17; source msha-controller-operator-history
- **controller_controls_mine:** Francis Samuel S → Weslo Mine #3; 1993-02-01 to 1993-05-17; source msha-controller-operator-history
- **controller_controls_operator:** Francis Samuel S → Canyon Inc; 1993-02-01 to 1993-05-17; source msha-controller-operator-history
- **operator_operates_mine:** Tri-State Auger Mining Inc → Weslo Mine #3; 1993-05-18 to 1993-08-03; source msha-controller-operator-history
- **controller_controls_operator:** Eckenrode Norbert J → Tri-State Auger Mining Inc; 1993-05-18 to 1993-08-03; source msha-controller-operator-history
- **operator_operates_mine:** Weslo Inc → Weslo Mine #3; 1993-08-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Paul E  Bryant → Weslo Inc; 1993-08-04 to current/open; source msha-controller-operator-history