The United States at work
By: by Maude Cottingham and Clyde Edwards Cooper.
Contributors: Cooper, Clyde Edwards, joint author.
Publisher: D.C. Heath
Published: 1938
Place of publication: Boston
Language: eng
Number of pages: 656
Subjects: Economic geography.; United States -- Economic conditions.
Notes: On cover : Heath's correlated social studies.
Includes index.
"The book is an outgrowth of material prepared for classes in Roosevelt junior high school, Cleveland Heights, Ohio."--Pref.