Borings should be employed to determine character of subsoils.
Highway grading specifications need revision
Roads Streets
Roads and Streets ; 75 , n 8
1932
3 pages
Article (Journal)
English
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Engineering Index Backfile | 1945
Engineering Index Backfile | 1938
|Machinery revolutionizes highway grading
Engineering Index Backfile | 1932
|Engineering Index Backfile | 1938
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