Date: | 1926 |
---|---|
Description: | This blueprint manuscript map shows buildings, railroads, and United States property. Water depths shown by soundings, tints, and isolines. |
Date: | 1926 |
---|---|
Description: | This blueprint map shows Manitowoc Harbor with depths represented by soundings. The upper right corner includes a "Description of Bench Marks". The map als... |
Date: | 1873 |
---|---|
Description: | This blueprint map shows water depths by soundings and isolines. To the top left is Duluth, Minnesota. To the bottom right is Superior City, Wisconsin. The... |
If you didn't find the material you searched for, our Library Reference Staff can help.
Call our reference desk at 608-264-6535 or email us at: