TY  - BOOK
AU  - Norton,Hugh Stanton
TI  - Highway transportation barriers in 20 States
AV  - HD1751 .A9183 no. 157
PY  - 1957///
CY  - Washington, D.C.
PB  - U.S. Dept. of Agriculture, Agricultural Marketing Service, Marketing Research Division
KW  - Transportation, Automotive
KW  - Law and legislation
KW  - United States
N1  - Cover title; Bibliography: p. 38-40
ER  -