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pl23_wea05005.jpg

Isotherms showing average temperatures in Russia during selected monthsas well as a contoured map of the amplitude of change during the year

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https://www.noaa.gov/media/digital-library-photo/pl23wea05005jpg

Description

Isotherms showing average temperatures in Russia during selected monthsas well as a contoured map of the amplitude of change during the year.Published in Petermann's Geographische Mittheilungen.

Credit

Historical Collections of the NOAA Central Library; NOAA Central Library Historical Collections

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