# Relationship history for MSHA mine 1103153

Current hierarchy: **Michael P  Vondra → Joliet MI, LLC → Joliet MI, 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

- **controller_controls_mine:** Fred Weber, Inc. → Joliet MI, LLC; 1986-12-24 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mining International, LLC → Joliet MI, LLC; 2005-09-07 to 2015-09-09; source msha-controller-operator-history
- **controller_controls_mine:** Gerard  Keating → Joliet MI, LLC; 2005-09-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gerard  Keating → Mining International, LLC; 2005-09-07 to 2015-09-09; source msha-controller-operator-history
- **operator_operates_mine:** Joliet MI, LLC → Joliet MI, LLC; 2015-09-10 to 2016-04-25; source msha-controller-operator-history
- **controller_controls_mine:** Jacob  Mrugacz et al → Joliet MI, LLC; 2015-09-10 to 2019-05-05; source msha-controller-operator-history
- **controller_controls_operator:** Jacob  Mrugacz et al → Joliet MI, LLC; 2015-09-10 to 2016-04-25; source msha-controller-operator-history
- **controller_controls_operator:** Michael  Vondra et al → Joliet MI, LLC; 2015-09-10 to 2016-04-25; source msha-controller-operator-history
- **operator_operates_mine:** Fred Weber, Inc. → Joliet MI, LLC; 2016-04-26 to 2019-05-05; source msha-controller-operator-history
- **controller_controls_operator:** Fred Weber, Inc. → Fred Weber, Inc.; 2016-04-26 to 2019-05-05; source msha-controller-operator-history
- **operator_operates_mine:** Joliet MI, LLC → Joliet MI, LLC; 2019-05-06 to 2020-02-26; source msha-controller-operator-history
- **controller_controls_operator:** Michael  Vondra et al → Joliet MI, LLC; 2019-05-06 to 2019-05-05; source msha-controller-operator-history
- **controller_controls_operator:** Jacob  Mrugacz et al → Joliet MI, LLC; 2019-05-06 to 2019-05-05; source msha-controller-operator-history
- **controller_controls_mine:** Michael P  Vondra et al → Joliet MI, LLC; 2019-05-06 to 2024-02-04; source msha-controller-operator-history
- **controller_controls_operator:** Michael P  Vondra et al → Joliet MI, LLC; 2019-05-06 to 2016-04-25; source msha-controller-operator-history
- **controller_controls_operator:** Troy E  Kutz et al → Joliet MI, LLC; 2019-05-06 to 2016-04-25; source msha-controller-operator-history
- **controller_controls_operator:** Troy E  Kutz et al → Joliet MI, LLC; 2019-05-06 to 2020-02-26; source msha-controller-operator-history
- **controller_controls_operator:** Michael P  Vondra et al → Joliet MI, LLC; 2019-05-06 to 2020-02-26; source msha-controller-operator-history
- **operator_operates_mine:** American Mine Services, LLC → Joliet MI, LLC; 2020-02-27 to 2020-02-27; source msha-controller-operator-history
- **controller_controls_mine:** Joseph D  Cooper → Joliet MI, LLC; 2020-02-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joseph D  Cooper → American Mine Services, LLC; 2020-02-27 to 2020-02-27; source msha-controller-operator-history
- **operator_operates_mine:** Joliet MI, LLC → Joliet MI, LLC; 2020-02-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jacob  Mrugacz et al → Joliet MI, LLC; 2020-02-28 to 2019-05-05; source msha-controller-operator-history
- **controller_controls_operator:** Michael  Vondra et al → Joliet MI, LLC; 2020-02-28 to 2019-05-05; source msha-controller-operator-history
- **controller_controls_operator:** Troy E  Kutz et al → Joliet MI, LLC; 2020-02-28 to 2024-02-04; source msha-controller-operator-history
- **controller_controls_operator:** Michael P  Vondra et al → Joliet MI, LLC; 2020-02-28 to 2024-02-04; source msha-controller-operator-history
- **controller_controls_mine:** Michael P  Vondra → Joliet MI, LLC; 2024-02-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael P  Vondra → Joliet MI, LLC; 2024-02-05 to 2016-04-25; source msha-controller-operator-history
- **controller_controls_operator:** Michael P  Vondra → Joliet MI, LLC; 2024-02-05 to 2020-02-26; source msha-controller-operator-history
- **controller_controls_operator:** Michael P  Vondra → Joliet MI, LLC; 2024-02-05 to current/open; source msha-controller-operator-history