# Relationship history for MSHA mine 3200962

Current hierarchy: **Samuel  Dyk → Triple Aggregate LLC → Triple Aggregate 2**

- 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:** Sam  Dyk et al → Triple Aggregate 2; 2011-04-25 to 2019-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Triple Aggregate LLC → Triple Aggregate 2; 2012-06-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Sam  Dyk et al → Triple Aggregate LLC; 2012-06-05 to 2019-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Scott  Dyk et al → Triple Aggregate LLC; 2012-06-05 to 2019-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Elijah  Black et al → Triple Aggregate 2; 2019-04-01 to 2023-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Elijah  Black et al → Triple Aggregate LLC; 2019-04-01 to 2023-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Samuel  Dyk et al → Triple Aggregate LLC; 2019-04-01 to 2023-09-30; source msha-controller-operator-history
- **controller_controls_mine:** Samuel  Dyk → Triple Aggregate 2; 2023-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Samuel  Dyk → Triple Aggregate LLC; 2023-10-01 to current/open; source msha-controller-operator-history