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Frost, MN · LATEST NEWS
Faribault County Register
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Faribault County Register
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Magnetic mapping project peeks underground
ALBERT LEA, Minnesota — A plane swooping the landscapes at low altitudes in coming weeks may not br in trouble but on “earth mapping” missions for the U.S. Geological Survey. The plane will be trailing magnetic imaging equipment — not cameras in the usua photographic sense — to identify critical minerals and geologic hydrogen and other natural underground hazards in 40 counties:
Albert Lea, MN · 18h