Percent change in corn yield per acre, by counties of the United States : 1939-1964.

Percent change in corn yield per acre, by counties of the United States : 1939-1964.

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Bibliographic Details
Corporate author / creator:	United States. Bureau of the Census
Imprint:	Washington : U.S. Govt. Print. Off., 1970.
Description:	col. map 66 x 99 cm.
Language:	English
Series:	United States maps. GE-50. no. 34
Subject:	Corn -- United States -- Maps. Corn. United States. Maps.
Cartographic data:	Scale 1:5,000,000.
Format:	Map Print
URL for this record:	http://pi.lib.uchicago.edu/1001/cat/bib/1700039

Hidden Bibliographic Details
ISBN:	$0.50
Notes:	"Albers equal area projection; standard parallels 29 1/2⁰ and 45 1/2⁰." Includes tables and map "Corn for all purposes acreage: 1964."

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Call Number:	G3701.J7 1964 .U510
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