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![Black volcanic sand bottom at low tide line5867.jpg Black volcanic sand bottom at low tide](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_line5867.jpg?itok=nNleZq5V)
Description
Black volcanic sand bottom at low tide. Note the ripple marks apparent inboth the wet areas and in the bare sand. (Image credit: Mr. Tom Ward NOAA Teacher at Sea Program)
Photographer
Mr. Tom Ward NOAA Teacher at Sea Program
Location
Alaska, Dutch Harbor
Collection
America's Coastlines