Instructions for airway meteorological service.

Instructions for airway meteorological service. - Third edition. 1935. - Washington, U.S. Govt. print. off., 1935. - vi, 142 p. illus., diagrs. 24 cm. - Circular N .

At head of title: U. S. Department of agriculture. Weather bureau. Earlier editions have title: Instructions for airway observers.

agr35000214


Meteorology--Observers' manuals.

TL556 / .U6 1935

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