Duluth, Superior, and vicinity, Minnesota-Wisconsin.

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Bibliographic Details
Corporate author / creator:Geological Survey (U.S.)
Edition:1954.
Imprint:Washington, 1956.
Description:1 map : col. ; 121 x 85 cm.
Language:English
Subject:
Cartographic data:Scale 1:24,000.
Format: Map Print
URL for this record:http://pi.lib.uchicago.edu/1001/cat/bib/1707625
Hidden Bibliographic Details
Notes:"Polyconic projection. 1927 North American datum."
"Contour interval 10 feet ... Depth curves and soundings in feet."
Compiled from USGS 1:24,000 scale, 7.5 minute quadrangle maps.
Landmark buildings and important street names shown.

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