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| 1 | Title: | Letter of the Secretary of the Treasury, communicating a report of a geological reconnoissance of the Chippewa Land District of Wisconsin, and the northern part of Iowa | |
| Creator: | Owen, David Dale, 1807-1860 | ||
| United States General Land Office. | |||
| Publication: | s.n, Washington, D.C,1848] | ||
| Call #: | QE73 O97L | ||
| Extent: | 134 p., [76] p. of plates : ill., maps ; 23 cm. | ||
| Subjects: | Geology -- Wisconsin | Geology -- Iowa | Geology -- Minnesota | ||
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