Crow damage to fall grain crops in Oklahoma in 1937, with a comparison of field and questionnaire methods of appraisal.

Bibliographic Details

Corporate Author:	United States. Bureau of Biological Survey
Format:	Government Document eBook
Language:	English
Published:	[Washington] : [s.n.], 1939.
Subjects:	Grain. Crows. Agricultural pests. Oklahoma.
Online Access:	Electronic resource (PDF)