Map illustrating the geological features west of the Mississippi River. The map was compiled from the surveys of W. H. Emory and from the Pacific Railroad surveys by James Hall (1811-1898) with assistance from J. Peter Lesley (1819-1903). This map is provided through a co-operative project by the Lecompton and Kansas Historical Societies to host Kansas territorial era maps on Kansas Memory. Partial funding was provided by a grant from the Freedom's Frontier National Heritage Area.
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