Montana annual loadometer survey
Contributors: Montana. Highway Planning Survey; United States. Bureau of Public Roads
Publisher: State Highway Commission, Highway Planning Survey
Place of publication: [Helena, Mont.]
Language: eng
Subjects: Periodicals; Traffic surveys
Notes: "[Prepared by] State Highway Commission, Highway Planning Survey in cooperation with U.S. Department of Commerce, Bureau of Public Roads."

Description based on: 1951; title from cover.

Vols. for 1966-  issued by Montana State Highway Commission, Planning Survey Section.