KALAMAZOO, Mich. — Starting Monday, Kalamazoo County will begin an airborne electromagnetic (AEM) survey to map underground aquifers in areas of Oshtemo, Comstock, Ross, and Texas townships.
The survey involves a helicopter towing a hexagonal frame above ground. That frame contains technology capable of transmitting and receiving electromagnetic signals to detect geological features below the surface, such as aquifers that supply local drinking water.
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