An Engineering Soils Map of Indiana Prepared from Airphotos

Authors

Charles R. McCullough, Purdue University

Date of Version

April 1949

Recommended Citation

McCullough, Charles R., "An Engineering Soils Map of Indiana Prepared from Airphotos" (1949). Purdue Road School. 12.
https://docs.lib.purdue.edu/roadschool/1949/proceedings/12

Start Date

4-11-1949 12:00 AM