States, universities, municipalities, counties and industries all aiding in movement to improve methods of road construction; huge savings effected; tests to date total 479.
Coordinated research playing big part in highway development
Automotive Industries
Automotive Industries ; 53 , n 10
1925
2 pages
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.