About 2,000,000 mi. of secondary highways, in United States are unsurfaced; increased traffic will justify better surfaces; description of principal types of crushed-stone roads; data on size of material, costs and traffic conditions under which these types should be used.
Utilization of crushed stone in low cost roads
Crushed Stone Jl
Crushed Stone Journal ; 5 , n 4
1929
10 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Standard sizes of crushed stone
Engineering Index Backfile | 1927
|Crushed stone industry's value to transportation
Engineering Index Backfile | 1928
|Research in national crushed stone association laboratory
Engineering Index Backfile | 1932
|The crushed stone industry; Its value to transportation
Engineering Index Backfile | 1928
|Engineering Index Backfile | 1912
|