The utilization of aerial photographs in mapping and studying land features
By: by T.P. Ahrens
Contributors: United States. Resettlement Administration. Land Utilization Division
Series: Land-use planning publication -- no. 6; Land use planning publication -- no. 6.
Publisher: Resettlement Administration, Land Utilization Division, Land-use Planning Section
Published: 1936
Place of publication: Washington, D.C
Language: eng
Number of pages: 27
Subjects: Aerial photography in land use
Notes: Cover title.

"October 1936."