The economic justification for highway improvement / by Ernest T. Perkins. 1941.

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The economic justification for highway improvement / by Ernest T. Perkins. 1941.

http://www.worldcat.org/oclc/221640214

1 v. (various pagings) : ill.

Pennsylvania State University Libraries

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SNAC Resource ID: 7029505

Pennsylvania State University Libraries

Related Entities

There are 2 Entities related to this resource.

Yale University. Bureau for Street Traffic Research

http://n2t.net/ark:/99166/w6z934sq (corporateBody)

Perkins, Ernest Henry, 1953-

http://n2t.net/ark:/99166/w69903wm (person)