Date of Version
January 1931
Recommended Citation
Sparks, Kenneth, "Surface-Treated Gravel and Retread Road Work" (1931). Purdue Road School. 21.
https://docs.lib.purdue.edu/roadschool/1931/proceedings/21
Start Date
1-23-1931 12:00 AM
COinS
Jan 23rd, 12:00 AM
Surface-Treated Gravel and Retread Road Work