# Relationship history for MSHA mine 1516674

Current hierarchy: **Hall Brenda → Kite Coal Company Inc → #1**

- 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:** Anderson Brothers Mining Company Inc → #1; 1989-07-01 to 1992-01-19; source msha-controller-operator-history
- **controller_controls_mine:** Anderson Clinis & Hillard → #1; 1989-07-01 to 1992-01-19; source msha-controller-operator-history
- **controller_controls_operator:** Anderson Clinis & Hillard → Anderson Brothers Mining Company Inc; 1989-07-01 to 1992-01-19; source msha-controller-operator-history
- **operator_operates_mine:** Kite Coal Company Inc → #1; 1992-01-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Hall Brenda → #1; 1992-01-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hall Brenda → Kite Coal Company Inc; 1992-01-20 to current/open; source msha-controller-operator-history