Abstract
FQR more than two hundred years it has been known that in the extreme north of Siberia there are soils the lower strata of which are in a perpetually frozen condition. Since then a considerable literature on the problem has accumulated, but it is widely scattered, partly in almost inaccessible local publications, and a general critical survey of the literature, together with the results of original observations, recently published by the Far Eastern Geophysical Observatory in Vladivostok,1 is therefore of great interest.
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References
"Everfrozen of Soil in the Boundaries of U.S.S.E.", by M. Soumgin . Pp. 372. The Far Eastern Geophysical Observatory, Vladivostok, 1927.
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The Permanently Frozen Soils of Russia. Nature 123, 741–742 (1929). https://doi.org/10.1038/123741a0
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DOI: https://doi.org/10.1038/123741a0