Retreat of Wisconsin and recent ice in North America : speculative ice-marginal positions during recession of last ice-sheet complex
Call Number:
3300 d5.4-3
Publisher:
Ottawa, Geological Survey of Canada
Date:
1969
Map Description:
col. map 103 x 118 cm
Notes:
Ice-marginal positions by V.K. Prest, 1969. Ice-margin shading by Surveys and Mapping Branch. Cartography by Geological Survey of Canada
Shows extent of present ice coverage
Scale 1:5,000,000
Keywords:
Glacial epoch--North America Maps
Glaciers--North America Maps
Series:
Map ; 1257A
OCLC:
5492473
Added Entries:
Geological Survey of Canada
Canada. Surveys and Mapping Branch
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