Atlas of climatic types in the United States, 1900-1939
By: by C.W. Thornthwaite in cooperation with Division of Climate and Crop Weather, United States Weather Bureau; assistance in the preparation of the maps was furnished by the personnel of Works Projects Administration official project no. 65-2-42-282.
Contributors: United States. Weather Bureau.; United States. Soil Conservation Service.; United States. Work Projects Administration.
Series: United States. Dept. of Agriculture. Miscellaneous publication -- no. 421; Miscellaneous publication (United States. Dept. of Agriculture) -- no. 421.
Publisher: Govt. Print. Off.
Published: 1941
Place of publication: Washington
Language: eng
Subjects: Rain and rainfall -- United States; United States -- Climate
Notes: Maps are numbered as plates.

Bibliography: p. 5-7.