Recommended Citation
Covault, D. O. Estimation of Highway Needs for County Primary Road Systems in Michigan and Minnesota by Sample Survey Methods. Publication FHWA/IN/JHRP-58/29. Joint Highway Research Project, Indiana Department of Transportation and Purdue University, West Lafayette, Indiana, 1958. https://doi.org/10.5703/1288284313560DOI
10.5703/1288284313560
Report Number
FHWA/IN/JHRP-58/29
Project Number
C-36-54AA
File Number
3-3-27
Performing Organization
Joint Highway Research Project
Publisher Place
Lafayette, IN
Date of this Version
1958