two men standing beside brown wooden tripod

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two men standing beside brown wooden tripod

Surveyor taking sun azimuth for true direction to determine magnetic declination from magnetic observations.

Published on September 18, 2019 (UTC)Dual License: Public Domain

& Unsplash License

weather environment marine research vessel research development research station meteorology meteorological climate scientist People images & pictures human tripod transportation Airplane pictures & images vehicle aircraft Free stock photos

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