# Relationship history for MSHA mine 1601519

Current hierarchy: **Arcosa, Inc → Southern Aggregates, LLC Delaware → Plant 7**

- 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:** VantaCore Partners LP et al → Plant 7; 2008-09-04 to 2018-12-10; source msha-controller-operator-history
- **operator_operates_mine:** Southern Aggregates, LLC Delaware → Plant 7; 2011-08-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** VantaCore Partners LP et al → Southern Aggregates, LLC Delaware; 2011-08-04 to 2018-12-10; source msha-controller-operator-history
- **controller_controls_mine:** Sun Capital Partners Inc → Plant 7; 2018-12-11 to 2021-04-05; source msha-controller-operator-history
- **controller_controls_operator:** Sun Capital Partners Inc → Southern Aggregates, LLC Delaware; 2018-12-11 to 2021-04-05; source msha-controller-operator-history
- **controller_controls_mine:** Arcosa, Inc → Plant 7; 2021-04-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Arcosa, Inc → Southern Aggregates, LLC Delaware; 2021-04-06 to current/open; source msha-controller-operator-history