Date: | 1840 |
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Description: | This map surveyed under the direction of Captain Thomas J. Cram is one in a series of seventeen that accompanied Cram's report on the Fox-Wisconsin river s... |
Date: | 1840 |
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Description: | This map, one of a series made by Thomas Jefferson Cram of the U.S. Topographical Engineers from personal surveys, shows the portage connecting the Wiskons... |
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