# Relationship history for MSHA mine 2801018

Current hierarchy: **Nicholas  Vene; Joseph  Kollock III → Spartan Aggregates LLC → Spartan Aggregates, LLC**

- 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:** Kozdeda Brothers → Spartan Aggregates, LLC; 2008-05-14 to 2012-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Michael  Kozdeba et al → Spartan Aggregates, LLC; 2008-05-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael  Kozdeba et al → Kozdeda Brothers; 2008-05-14 to 2012-06-30; source msha-controller-operator-history
- **controller_controls_operator:** John  Kozdeba et al → Kozdeda Brothers; 2008-05-14 to 2012-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Kozdeba & Son LLC → Spartan Aggregates, LLC; 2012-07-01 to 2017-01-26; source msha-controller-operator-history
- **controller_controls_mine:** John  Kozdeba et al → Spartan Aggregates, LLC; 2012-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John  Kozdeba et al → Kozdeba & Son LLC; 2012-07-01 to 2017-01-26; source msha-controller-operator-history
- **controller_controls_operator:** Michael  Kozdeba et al → Kozdeba & Son LLC; 2012-07-01 to 2017-01-26; source msha-controller-operator-history
- **operator_operates_mine:** Golden Dome Materials LLC → Spartan Aggregates, LLC; 2017-01-27 to 2022-05-26; source msha-controller-operator-history
- **controller_controls_mine:** Jason N  Cofrancesco et al → Spartan Aggregates, LLC; 2017-01-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jason N  Cofrancesco et al → Golden Dome Materials LLC; 2017-01-27 to 2022-05-26; source msha-controller-operator-history
- **controller_controls_operator:** Jared C  Cofrancesco et al → Golden Dome Materials LLC; 2017-01-27 to 2022-05-26; source msha-controller-operator-history
- **operator_operates_mine:** Nature's Choice Corp → Spartan Aggregates, LLC; 2022-05-27 to 2023-12-13; source msha-controller-operator-history
- **controller_controls_mine:** Venko Holdings LLC → Spartan Aggregates, LLC; 2022-05-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Venko Holdings LLC → Nature's Choice Corp; 2022-05-27 to 2023-12-13; source msha-controller-operator-history
- **operator_operates_mine:** Spartan Aggregates LLC → Spartan Aggregates, LLC; 2023-12-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Nicholas  Vene et al → Spartan Aggregates, LLC; 2023-12-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Nicholas  Vene et al → Spartan Aggregates LLC; 2023-12-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joseph  Kollock III et al → Spartan Aggregates LLC; 2023-12-14 to current/open; source msha-controller-operator-history