Normal Procedure in Clenaing Out Drainage Ditches

Authors

Robert J. Pfleiderer

Date of Version

January 1936

Recommended Citation

Pfleiderer, Robert J., "Normal Procedure in Clenaing Out Drainage Ditches" (1936). Purdue Road School. 25.
https://docs.lib.purdue.edu/roadschool/1936/proceedings/25

Start Date

1-20-1936 12:00 AM