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![Signal Service hydrologic unit map from the 1880'sThis map displays various river basins and areas of stream drainage wea00746.jpg Signal Service hydrologic unit map from the 1880'sThis map displays various river basins and areas of stream drainage](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_wea00746.jpg?itok=XwmRKqlS)
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https://www.noaa.gov/media/digital-library-photo/pl23wea00746jpgDescription
Signal Service hydrologic unit map from the 1880'sThis map displays various river basins and areas of stream drainage (Image credit: Archival Photography by Steve Nicklas)
Photographer
Archival Photography by Steve Nicklas
Collection
Weather Service
Meteorological Monsters
Floods
NOAA Affiliation
NOS
Keywords
Monsters
Floods