Keywords: Report of a geological survey of Wisconsin, Iowa, and Minnesota (Page viii) BHL30822978.jpg 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 David Dale Owen United States geologist 30822978 96824 44565 Page viii Text Table of Contents http //www biodiversitylibrary org/page/30822978 1852 10 5962/bhl title 44565 Owen David Dale; United States Biodiversity Heritage Library Check categories 2015 October 27 PD-old-70-1923 Report of a geological survey of Wisconsin Iowa and Minnesota Images uploaded by Fæ Files from the Biodiversity Heritage Library Biodiversity Heritage Library Engelmann Herbarium collection |