Normal weather maps, Northern Hemisphere sea level pressure.

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Bibliographic Details
Corporate author / creator:United States. Weather Bureau.
Imprint:[Washington], 1946.
Description:1 v. (chiefly charts) 36 x 38 cm.
Language:English
Subject:
Format: U.S. Federal Government Document Print Book
URL for this record:http://pi.lib.uchicago.edu/1001/cat/bib/4469872
Hidden Bibliographic Details
Other uniform titles:United States. Army Air Forces.
United States. Weather Bureau. Daily synoptic series, historical weather maps, Northern Hemisphere sea level.
Notes:Cover title.
Prepared by the Weather Bureau and the Army Air Forces.
"Based on the 40 1/2-year period, 1899 to 1939, covered by the Daily synoptic series, Northern Hemisphere weather maps, sea level."