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Recent News
News Archive for 05/01/2019 to 05/31/2019.
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Students Learn About Land Surveying at Marketplace for Kids
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HEI Adopts a Highway
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Welcome Doug Thomas to HEI
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HEI is Named in the ENR 2019 Top 500 Firms List
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Welcome Chris Myers to HEI
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Minot Water Treatment Plant Project Wins ACEC/ND Award
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Middle Sauk Spring WaterFest
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