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THE MOISTURE OF THE AIR: FOG AND CLOUD
Weed, photo.
Thin alto-stratus (lower middle) merging into alto-cumulus. Dense alto-stratus (right), Mount Weather, Va.
Page:Handbook of Meteorology.djvu/96
Weed, photo.
Thin alto-stratus (lower middle) merging into alto-cumulus. Dense alto-stratus (right), Mount Weather, Va.