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Report of a geological survey of Wisconsin, Iowa, and Minnesota : and incidentally of a portion of Nebraska Territory : made under instructions from the United States Treasury Department

Final report addressed to the Commissioner of the U.S. General Land Office · Title vignette · "Philadelphia: C. Sherman, printer"--Verso of t.p · Some of the plates in atlas accompanied by leaves of descriptive letterpress · Some of the plates are hand-colored · Includes index · 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 year 1849 / by Charles Whittlesey -- Geological report of local, detailed observations in the valleys of the 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. Owen -- 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 the Northwest --IV. Additional

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