# Relationship history for MSHA mine 0403622

Current hierarchy: **Sherri  Mognaga → Kellog Creek Aggregates Inc → Kellog Creek Aggregates Inc**

- 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:** Ridgemoor Development Corp → Kellog Creek Aggregates Inc; 1950-01-01 to 1985-05-13; source msha-controller-operator-history
- **controller_controls_mine:** Thomas  Reasonover → Kellog Creek Aggregates Inc; 1950-01-01 to 1985-05-13; source msha-controller-operator-history
- **controller_controls_operator:** Thomas  Reasonover → Ridgemoor Development Corp; 1950-01-01 to 1985-05-13; source msha-controller-operator-history
- **operator_operates_mine:** Silico Inc → Kellog Creek Aggregates Inc; 1985-05-14 to 1989-05-08; source msha-controller-operator-history
- **controller_controls_mine:** Don  Kilbreth → Kellog Creek Aggregates Inc; 1985-05-14 to 1989-05-08; source msha-controller-operator-history
- **controller_controls_operator:** Don  Kilbreth → Silico Inc; 1985-05-14 to 1989-05-08; source msha-controller-operator-history
- **operator_operates_mine:** Kellogg Creek Sand Company Inc → Kellog Creek Aggregates Inc; 1989-05-09 to 1999-05-20; source msha-controller-operator-history
- **controller_controls_mine:** A T  Shaw → Kellog Creek Aggregates Inc; 1989-05-09 to 1999-05-20; source msha-controller-operator-history
- **controller_controls_operator:** A T  Shaw → Kellogg Creek Sand Company Inc; 1989-05-09 to 1999-05-20; source msha-controller-operator-history
- **operator_operates_mine:** Von Euw & Nunes Trucking → Kellog Creek Aggregates Inc; 1999-05-21 to 2009-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Rosemarie  Von Euw → Kellog Creek Aggregates Inc; 1999-05-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rosemarie  Von Euw → Von Euw & Nunes Trucking; 1999-05-21 to 2009-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Kellog Creek Aggregates Inc → Kellog Creek Aggregates Inc; 2010-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Sherri  Mognaga → Kellog Creek Aggregates Inc; 2010-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sherri  Mognaga → Kellog Creek Aggregates Inc; 2010-01-01 to current/open; source msha-controller-operator-history