Date: | 02 15 1830 |
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Description: | Increase Lapham's drawing of a railroad tunnel and railroad tracks. |
Date: | 1827 |
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Description: | Increase Lapham's drawing of a rig designed by Mr. Orange Dibble for removing rocks and other large debris from deep canal cuts. |
Date: | 1849 |
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Description: | Pencil sketch of a cross-section of the Dells of the Wisconsin River. People are in a row boat in the center. Caption at bottom: "The Dells — Wisconsin Riv... |
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