Specifications for County Road Materials

Authors

R. E. O'Connor, Indiana Highway Constructors, Inc.

Date of Version

January 1935

Recommended Citation

O'Connor, R. E., "Specifications for County Road Materials" (1935). Purdue Road School. 18.
https://docs.lib.purdue.edu/roadschool/1935/proceedings/18

Start Date

1-24-1935 12:00 AM