Proposed revision of federal aid and federal aid seconday procedure
By: Montana State Highway Department in cooperation with Public Roads Administration
Contributors: United States. Public Roads Administration
Publisher: [Montana State Highway Department]
Published: 1948
Place of publication: [Helena, Montana]
Language: eng
Number of pages: 33
Subjects: Roads; Design and construction
Notes: "August 20, 1948, revised October 6, 1948."

Also available online.