A question of economics
Subtitle: a summary of the exhibit
By: United States Department of Agriculture, Extension Service, Office of Exhibits
Publisher: United States Department of Agriculture
Published: 1925
Place of publication: Washington, D.C.]
Language: eng
Subjects: Traffic safety; Roads; Design and construction
Notes: "The following publications may be obtained free of charge from the U.S. Department of Agriculture, Washington, D.C. Motor Vehicle fees and Gasoline Taxes, Public Roads Vol. 5, No. 7, September 1924. Motor Vehicle Registration, 15,092,177, Public Roads Vol. 5, No. 2, April 1924."--page 4