Map of Iowa showing drift sheets.

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Bibliographic Details
Corporate author / creator:	Iowa Geological Survey.
Imprint:	[Des Moines?] : Iowa Geological Survey, 1912.
Description:	1 map : col. ; 36 x 55 cm.
Language:	English
Series:	Annual report ; XXI
Subject:	Glaciers -- Iowa -- Maps. Geology. Iowa. Maps.
Cartographic data:	Scale 1:1,000,000
Format:	Map Print
URL for this record:	http://pi.lib.uchicago.edu/1001/cat/bib/3209293

Hidden Bibliographic Details
Notes:	In upper right margin: XXI annual report, plate III.

Description
Item Description:	In upper right margin: XXI annual report, plate III.
Physical Description:	Scale 1:1,000,000 1 map : col. ; 36 x 55 cm.

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