# Relationship history for MSHA mine 1601594

Current hierarchy: **SCG Investors LLC → Merryville Aggregates LLC (Delaware) → Merryville Aggregate**

- 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:** Merryville Aggregates LLC → Merryville Aggregate; 2020-08-04 to 2022-03-06; source msha-controller-operator-history
- **controller_controls_mine:** Martha  Goodell et al → Merryville Aggregate; 2020-08-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Martha  Goodell et al → Merryville Aggregates LLC; 2020-08-04 to 2022-03-06; source msha-controller-operator-history
- **controller_controls_operator:** Shawn  Carson et al → Merryville Aggregates LLC; 2020-08-04 to 2022-03-06; source msha-controller-operator-history
- **operator_operates_mine:** Merryville Aggregates LLC (Delaware) → Merryville Aggregate; 2022-03-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** SCG Investors LLC → Merryville Aggregate; 2022-03-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** SCG Investors LLC → Merryville Aggregates LLC (Delaware); 2022-03-07 to current/open; source msha-controller-operator-history