Date: | 1909 |
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Description: | This 1909 chart of the Apostle Islands, Chequamegon Bay, and the Lake Superior shoreline shows relief by contours and spot heights and depths by contours, ... |
Date: | 1900 |
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Description: | This chart of the northern Apostle Islands and Lake Superior shoreline shows relief by contours and spot heights and depths by contours, gradient tints and... |
Date: | 1901 |
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Description: | This map shows streets, industrial buildings, a portion of Lake Superior and other lakes, bays, and rivers in portions of Duluth and Superior. Relief is sh... |
Date: | 1906 |
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Description: | This map shows bays, creeks, railroads and rivers. Relief is shown by contours and spot heights. Depths are shown by contours, tints, and soundings. Includ... |
Date: | 04 11 1940 |
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Description: | This blue line print map shows survey monument markers by type and industrial buildings and covers part of the lower Fox River and East River. The map incl... |
Date: | 04 1926 |
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Description: | This blueprint mostly shows various numbers within the canal and bay. Lake Michigan and Harobor of Refuge are shown along the far right side. Near the harb... |
Date: | 01 01 1959 |
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Description: | This map shows many of the rivers, dams, bays, harbors, lakes, and canals. It includes an index of authorized federal project, both for navigation and floo... |
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