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  1. 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.
    By: Owen, David Dale, - Leidy, Joseph, - Norwood, J. G. (Joseph Granville), - Parry, C. C. (Charles Christopher), - Pratten, Henry. - Shumard, B. F. - Whittlesey, Charles, - United States. General Land Office.
    Publication info: Philadelphia,Lippincott, Grambo & co.,1852.
    Holding Institution: University of Michigan (
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