Engineering report for comparison of costs on the interstate highway routings east and west of the Custer-Prairie County line
By: prepared by Montana State Highway Commission, Interstate Division
Publisher: [Interstate Division?]
Published: 1964
Place of publication: Helena?, Montana]
Language: eng
Subjects: Roads; Location
Other titles: Supplement to the Custer Prairie County Line East & West engineering report.
Notes: "December 11, 1964".

Cover title.