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5699 Ready Road

South Rockwood, MI 48179
Sales: 734-783-7474

Great Lakes Aggregates, LLC

Quality Crushed Aggregates

Highlighted Projects Using Great Lakes Aggregates

Celeron Island Project Progress

January 11, 2019

E.C. Korneffel making great progress on the shoals surrounding Celeron Island near Grosse Ile, MI. Limestone rip-rap from Sylvania Minerals Quarry in South Rockwood, MI is used in constructing the shoals.

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Taking the Challenge of a Quarry 5K 2.0

September 25, 2018

The second annual 5K Walk/Run Quarry Challenge and fossil walk was held at the Sylvania Minerals quarry in South Rockwood Sunday. Click here to read the full story from the Monroe News.

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E.C. Korneffel completes two-year Stony Island Restoration project, begins work on Celeron Island

August 13, 2018

E.C. Korneffel completed the Stony Island Restoration Project near Grosse Ile on the Detroit River and began work near Celeron Island located just south of Grosse Ile Municipal Airport this summer. To learn more about the project, please visit  

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Construction of New Settling Pond Nearly Finished

November 8, 2017

A new settling pond is currently being constructed at Sylvania Minerals to store fines as part of the mineral washing process. Dan’s Excavating is the contractor on the project and is ahead of schedule.

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Stony Island – E.C. Korneffel Project Nearly Complete!

November 8, 2017

The E.C. Korneffel – Stony Island Restoration Project near Grosse Ile, MI is nearly complete. To learn more about this project, click here.

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Recycled Aggregate’s New Portable Crushing Plant Featured

August 11, 2017

TCI Manufacturing featured Recycled Aggregate’s new custom crushing and screening plant on their website highlighting it’s features and components. A great partnership between HiPoint Aggregate Equipment, TCI Manufacturing, and Recycled Aggregates lead to a functional, efficient, and rugged portable plant design.

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E. C. Korneffel Company Partners with Great Lakes Aggregates

June 21, 2017

Special thanks to the E.C. Korneffel Company for allowing Great Lakes Aggregates to be a part of the Stony Island Habitat Restoration Project. We are proud to be a part of such a worthwhile endeavor improving our community’s wetlands and adding value to our natural resources.

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