A set of digitized microfilm of manuscript maps of Iowa townships. Individual maps in the set may include: Native American villages and fields; the first farmsteads, town sites and fields established by settlers; networks of trails; distribution of rivers, woods, prairies, wetlands and springs; and survey data such as creator, date created, and date accepted.Digital library collectionui:gloengPublicMap collectionsIndex Map of General Land Office (GLO) Survey Maps: IowaOtherIowa1836-1914University of Iowa