Usage History of 'paleosols'

The following chart shows how frequently 'paleosols' appeared in printed materials over time. For example, the word 'paleosols' occurred 4 times in books in 1938 and 4,064 times in 2008. From 1938 to 2008, the word 'paleosols' was used a total of 63,647 times in books scanned by Google. See Reference: Google Ngram project.

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