Retreat of Wisconsin and recent ice in North America : speculative ice-marginal positions during recession of last ice-sheet complex /

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Bibliographic Details
Author / Creator:Prest, Victor Kent.
Imprint:Ottawa : Geological Survey of Canada, 1969.
Description:col. map 103 x 118 cm.
Language:English
Series:Map ; 1257A
Subject:
Cartographic data:Scale 1:5,000,000.
Format: Map Print
URL for this record:http://pi.lib.uchicago.edu/1001/cat/bib/4463141
Hidden Bibliographic Details
Other authors / contributors:Geological Survey of Canada.
Canada. Surveys and Mapping Branch.
Notes:Shows extent of present ice coverage.
Description
Item Description:Shows extent of present ice coverage.
Physical Description:Scale 1:5,000,000.
col. map 103 x 118 cm.