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Report of a geological survey of Wisconsin, Iowa, and Minnesota
and incidentally of a portion of Nebraska Territory
638 pages : illustrations and atlas of maps, plates and sections.
Geological survey of Wisconsin, Iowa, and Minnesota, by D. D. Owen.--Geological report of a survey of portions of Wisconsin and Minnesota, made during the years 1847, '48, '49 and '50 ... by J. G. Norwood.--Geological report of that portion of Wisconsin bordering on the south shore of lake Superior, surveyed in the 1849 ... by Charles Whittlesey.--Geological report of local, detailed observations, in the valleys of Minnesota, Mississippi, and Wisconsin rivers, made in the years 1848 and 1849 ... by B. F. Shumard.--Description of the remains of extinct Mammalia and Chelonia, from Nebraska territory ... by Joseph Leidy.--Appendix: I. Description of new and imperfectly known genera and species of organic remains, by D. D. Owens. II. Descriptions of one new genus and twenty-two new species of Crinoidea, from the subcarboniferous limestone of Iowa, by D. D. Owen and B. F. Shumard. III. Summary of the distribution of orders genera, and species in th Northwest. IV. Additional chemical examinations, by D. D. Owen. V. Systematic catalogue of plants of Wisconsin and Minnesota, by C. C. Parry. VI. Systematic catalogue of birds observed in northern Wisconsin and Minnesota, by Henry Pratten.
Made under instructions from the United States Treasury Department.
Final report, addressed to the commissioner of the U. S. General Land Office.
Microfiche. Ann Arbor, Mich., Xerox University Microfilms, 1975. 9 sheets. 10.5 x 14.8 cm. (Western Americana 12012)