# Relationship history for MSHA mine 4503356

Current hierarchy: **Justin R  Bruch; Joel A  Bruch; Chelsey D  Pruss → JJC Resources, LLC → Penny Creek Rock Products**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Penny Creek Quarry → Penny Creek Rock Products; 1996-12-01 to 2005-08-31; source msha-controller-operator-history
- **controller_controls_mine:** Gary  Phillips → Penny Creek Rock Products; 1996-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gary  Phillips → Penny Creek Quarry; 1996-12-01 to 2005-08-31; source msha-controller-operator-history
- **operator_operates_mine:** Penny Creek Quarry LLC → Penny Creek Rock Products; 2005-09-01 to 2014-07-31; source msha-controller-operator-history
- **controller_controls_mine:** Jeff W  Hathaway et al → Penny Creek Rock Products; 2005-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeff W  Hathaway et al → Penny Creek Quarry LLC; 2005-09-01 to 2014-07-31; source msha-controller-operator-history
- **controller_controls_operator:** Randy E  Hathaway et al → Penny Creek Quarry LLC; 2005-09-01 to 2014-07-31; source msha-controller-operator-history
- **operator_operates_mine:** Penny Creek Quarry → Penny Creek Rock Products; 2014-08-01 to 2022-09-13; source msha-controller-operator-history
- **controller_controls_mine:** Gabe M  Rygaard → Penny Creek Rock Products; 2014-08-01 to 2016-09-16; source msha-controller-operator-history
- **controller_controls_operator:** Gabe M  Rygaard → Penny Creek Quarry; 2014-08-01 to 2016-09-16; source msha-controller-operator-history
- **controller_controls_mine:** Katy  Rygaard → Penny Creek Rock Products; 2016-09-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Katy  Rygaard → Penny Creek Quarry; 2016-09-17 to 2022-09-13; source msha-controller-operator-history
- **controller_controls_mine:** Joel A  Bruch et al → Penny Creek Rock Products; 2017-06-30 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** JJC Resources, LLC → Penny Creek Rock Products; 2022-09-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joel A  Bruch et al → JJC Resources, LLC; 2022-09-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Justin R  Bruch et al → JJC Resources, LLC; 2022-09-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Chelsey D  Pruss et al → JJC Resources, LLC; 2022-09-14 to current/open; source msha-controller-operator-history