# Relationship history for MSHA mine 3607382

Current hierarchy: **Stephen J  Black → B & B Coal Associates Inc → Reesedale Blending Yard**

- 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:** Manor Minerals Inc → Reesedale Blending Yard; 1982-10-01 to 1991-09-17; source msha-controller-operator-history
- **controller_controls_mine:** Stitt William F → Reesedale Blending Yard; 1982-10-01 to 1991-09-17; source msha-controller-operator-history
- **controller_controls_operator:** Stitt William F → Manor Minerals Inc; 1982-10-01 to 1991-09-17; source msha-controller-operator-history
- **operator_operates_mine:** B & B Coal Associates Inc → Reesedale Blending Yard; 1991-09-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Stephen J  Black → Reesedale Blending Yard; 1991-09-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Stephen J  Black → B & B Coal Associates Inc; 1991-09-18 to current/open; source msha-controller-operator-history