Biographies of Jefferson Township residents

1870 US Census for Jefferson Twp

1880 US Census for Jefferson Twp

Jefferson Township contains the small town of Hartwick.

~source: Atlas of Poweshiek County, Iowa, published by Geo. A. Ogle & Co., 1896. Reproduced by the kind permission of the University of Iowa Libraries Map Collection. Click the map for a much larger (and more legible) copy of this map, or go to the archive for more zoom levels and more maps.