91ÊÓÆµ Staff//April 14, 2022//

ENGINEERING
Joe Heidgerken has joined GRI as a project geologist. He has more than 20 years of geologic engineering and pavement design experience. As a project geologist, he is responsible for managing and coordinating project field applications with scheduling, permitting, fieldwork and field mapping. Heidgerken is familiar with coordinating and managing pavement field loads with falling weight deflectometer (FWD) testing and ground penetrating radar (GPR).
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