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Environment

Low-flying planes to survey Central UP geology

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MARQUETTE, MI--   The U.S. Geological Survey will be operating low-flying planes over the Central U.P. starting in April. 

Scientists will conduct a high-resolution survey to study the geology of the broader Iron Mountain-Escanaba-Marquette region. Researchers say it will improve their understanding of the area, including buried rock types and faults.

The survey will be flown in a grid pattern. North-south lines will be flown approximately 500 feet apart at elevations from 250 to 1,000 feet above the ground, and one mile apart in an east-west direction.

The flights are expected to last through July.