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Filter: State of Michigan
Filter: Creator Name of United States. War Department. Corps of Engineers.
| Date: | 1902 |
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| Description: | This map shows shoals near Waugoshance Point. Lighthouses are labeled. Depths are shown by soundings and tints. Relief is shown by hachures. Inset includes... |
| Date: | 1858 |
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| Description: | This map shows the depth of the West Channel and the different types of minerals that make up the floor bed. The steamboat range station is labeled. A note... |
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