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Filter: Subject of Aids to navigation
Filter: Creator Name of United States. Army. Corps of Engineers.
| Date: | 1907 |
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| Description: | A map of the eastern portion of the Apostle Islands group, and a detailed map of Gull Island showing the relief on the island, are included here, along wit... |
| 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: | 06 25 1901 |
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| Description: | This map shows beacons, buoys, docks, quarries, streets, and buildings. The map inset shows the Harbor of refuge at entrance to Sturgeon Bay and Lake Michi... |
| Date: | 12 28 1908 |
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| Description: | This map shows beacons, buildings, streets, and quarries. Two inset maps include: Vicinity of Sturgeon Bay, Wis. and the Harbor of refuge at entrance to St... |
| Date: | 1906 |
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| Description: | This map shows miles to other islands, harbors, canals, and passages. The South Fox ISL. LT and the Black Gas Buoy are colored in yellow and red. Depths ar... |
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