Codes for cloud forms and states of the sky according to the international system of classification. Prepared by the Weather bureau Committee on clouds and cloud forms: Ivan R. Tannehill, chairman, Horace R. Byers, Edgar B. Calvert [and others]
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TextSeries: Its Circular SPublication details: Washington, U.S. Govt. print off., 1938.Description: iv, 100 p. illus., diagr. 23 cmSubject(s): LOC classification: - QC921 .U6 1938
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At head of title: W.B. no. 1249. U.S. Department of agriculture. Weather bureau.
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