# Relationship history for MSHA mine 3610264

Current hierarchy: **Forbes Excavating LP → 422 Aggregates LLC → Lacko Mine**

- 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:** 422 Aggregates LLC → Lacko Mine; 2018-10-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Blaine Forbes LLC et al → Lacko Mine; 2018-10-18 to 2018-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Blaine Forbes LLC et al → 422 Aggregates LLC; 2018-10-18 to 2018-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Kaceys Material Handling et al → 422 Aggregates LLC; 2018-10-18 to 2018-12-31; source msha-controller-operator-history
- **controller_controls_operator:** 960 Trading LLC et al → 422 Aggregates LLC; 2018-10-18 to 2018-12-31; source msha-controller-operator-history
- **controller_controls_mine:** 960 Trading LLC et al → Lacko Mine; 2019-01-01 to 2022-12-31; source msha-controller-operator-history
- **controller_controls_operator:** 960 Trading LLC et al → 422 Aggregates LLC; 2019-01-01 to 2022-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Blaine Forbes et al → 422 Aggregates LLC; 2019-01-01 to 2022-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Chase R  Schemm et al → 422 Aggregates LLC; 2019-01-01 to 2022-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Forbes Excavating LP → Lacko Mine; 2023-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Forbes Excavating LP → 422 Aggregates LLC; 2023-01-01 to current/open; source msha-controller-operator-history