Origin and destination study: East Helena US 12, 1968
By: Prepared by the Montana Highway Commission, Planning Survey Section in cooperation with [the] U.S. Department of Transportation, Federal Highway Administration, Bureau of Public Roads
Contributors: United States. Bureau of Public Roads
Published: 1969
Place of publication: [Helena]
Language: eng
Number of pages: 10
Subjects: Roads; Highway research
Notes: Cover title.