Instructions for airway meteorological service.
Edition: 3rd ed.
Series: Circular / U.S. Dept. of Agriculture, Weather Bureau, Aerological Division -- N; Circular (United States. Weather Bureau) -- N.
Publisher: U.S. Govt. print. off.
Published: 1935
Place of publication: Washington
Language: eng
Number of pages: 142
Subjects: Meteorology -- Observers' manuals.
Genres: Observers' manuals.
Notes: At head of title: U. S. Department of agriculture.  Weather bureau.

Earlier editions have title: Instructions for airway observers.