[Letter requesting aid in study of bird migration]

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Bibliographic Details
Corporate Authors:	United States. Division of Biological Survey, United States. Department of Agriculture
Other Authors:	Merriam, C. Hart (Clinton Hart), 1855-1942
Other title:	First line of text: For many years the Biological Survey has been collecting data on the migration of birds.
Format:	Government Document Book
Language:	English
Published:	Washington, D.C. : United States Department of Agriculture, Biological Survey, 1904.
Series:	Circular (United States. Bureau of Biological Survey) ; no. 41.
Subjects:	Birds > Migration > Research.

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Holdings details from PASCAL Offsite
Call Number:	A 5.4:41
A 5.4:41	Available Place a Hold