# Relationship history for MSHA mine 4605358

Current hierarchy: **Scott Larry → B & S Coal Company → No 16**

- 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:** Charles E H Jr → No 16; 1976-02-12 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** B & K Coal Inc → No 16; 1976-11-01 to 1978-08-20; source msha-controller-operator-history
- **controller_controls_operator:** Charles E H Jr → B & K Coal Inc; 1976-11-01 to 1978-08-20; source msha-controller-operator-history
- **controller_controls_mine:** Scott Larry → No 16; 1977-05-20 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** B & S Coal Company → No 16; 1978-08-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Scott Larry → B & S Coal Company; 1978-08-21 to current/open; source msha-controller-operator-history