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pl23_geod2025.jpg

Harvey Carlson operating a photo enlarger at photo processing facility onfirst floor of Herbert Clark Hoover Building (Commerce Building

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https://www.noaa.gov/media/digital-library-photo/pl23geod2025jpg

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Harvey Carlson operating a photo enlarger at photo processing facility onfirst floor of Herbert Clark Hoover Building (Commerce Building.)

pl23_geod2025.jpg

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