Status of Drainage Mapping from Airphotos in Indiana

Authors

Merle Parvis, Purdue University, State Highway Commision of Indiana

Date of Version

April 1949

Recommended Citation

Parvis, Merle, "Status of Drainage Mapping from Airphotos in Indiana" (1949). Purdue Road School. 16.
https://docs.lib.purdue.edu/roadschool/1949/proceedings/16

Start Date

4-11-1949 12:00 AM