Date of Version
April 1950
Recommended Citation
Miles, Robert D., "Preparation of Engineering Soils and Drainage Survey Strip Maps from Aerial Photographs" (1950). Purdue Road School. 6.
https://docs.lib.purdue.edu/roadschool/1950/proceedings/6
Start Date
4-10-1950 12:00 AM
COinS
Apr 10th, 12:00 AM
Preparation of Engineering Soils and Drainage Survey Strip Maps from Aerial Photographs