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![Among earliest Signal Service Weather maps wea01805.jpg Among earliest Signal Service Weather maps](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_wea01805.jpg?itok=T4ftBN-2)
Description
Among earliest Signal Service Weather maps
Display Date
August 26, 1871
Collection
Weather Service
Keywords
Communications
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