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Helicopter with boom

By Communications and Publishing June 2026 (approx.)
A blue helicopter flies in front of mountain with a long, white boom arm sticking out the front of the aircraft with red tip
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Detailed Description

A helicopter with a “boom” containing sensors that measure the magnetic field to map geologic features. Photo courtesy of Precision GeoSurveys

Sources/Usage

Public Domain.

Photo courtesy of Precision GeoSurveys

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