# Relationship history for MSHA mine 5001702

Current hierarchy: **Foster Investments Inc; KSF Investment Company; SAF Investments Inc → Foster Construction → Foster Construction, 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:** North Star Paving & Construction Inc → Foster Construction, LLC; 2001-02-01 to 2015-06-11; source msha-controller-operator-history
- **controller_controls_mine:** Jack J  Foster  et al → Foster Construction, LLC; 2001-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jack J  Foster  et al → North Star Paving & Construction Inc; 2001-02-01 to 2015-06-11; source msha-controller-operator-history
- **operator_operates_mine:** North Star Rocks LLC → Foster Construction, LLC; 2015-06-12 to 2021-05-26; source msha-controller-operator-history
- **controller_controls_mine:** Jack J  Foster  et al → Foster Construction, LLC; 2015-06-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jack J  Foster  et al → North Star Rocks LLC; 2015-06-12 to 2021-05-26; source msha-controller-operator-history
- **operator_operates_mine:** Foster Construction → Foster Construction, LLC; 2021-05-27 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Foster Investments Inc et al → Foster Construction, LLC; 2021-05-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Foster Investments Inc et al → Foster Construction; 2021-05-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** SAF Investments Inc et al → Foster Construction; 2021-05-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** KSF Investment Company et al → Foster Construction; 2021-05-27 to current/open; source msha-controller-operator-history