An aerological survey of the United States - Gregg, Willis Ray, 1880-1938. (Washington : Govt. Print. Off., 1922)
Pt. 1. Results of observations by means of kites. -- pt. 2. Results of observations by means of pilot balloons.
At head of title: "...U.S. Dept. of Agriculture. Weather Bureau..."
Keywords: Atmosphere, Upper; Kites (Meteorology)