USA (1,403,636) > Iowa (43,406) > Union County (321) > Union County Map Records (27)
USA (1,403,636) > Iowa (43,406) > Iowa Map Records (2,470) > Union County Map Records (27)
NOTE: Additional records that apply to Union County are also on the Iowa Map Records page. 
1916 Union County atlas index FamilySearch Library
Atlas of Historical County Boundaries Newberry Library  
Family maps of Union County, Iowa : with homesteads, roads, waterways, towns, cemeteries, railroads and more FamilySearch Library
First Landowners of Union County, Iowa History Geo  
Historic U.S. Maps MyHeritage  
Illustrated centennial sketches, map and directory of Union County, Iowa FamilySearch Library
Land Ownership Map for Iowa, Union County (1916) History Geo  
Standard Atlas of Union County, Iowa, 1916 Iowa University Libraries  
Union County 1876 Map (in U.S. Historic Land Ownership and Reference Atlases) Ancestry  
Union County 1916 Map (in U.S. Historic Land Ownership and Reference Atlases) Ancestry  
Union County Land Ownership Map, 1876 (from U.S., Indexed County Land Ownership Maps collection) Ancestry  
Union County Land Ownership Map, 1894 (from U.S., Indexed County Land Ownership Maps collection) Ancestry  
Union County Land Ownership Map, 1916 (from U.S., Indexed County Land Ownership Maps collection) Ancestry  
Union County, 1876 Map (in U.S. Historic Land Ownership and Reference Atlases) Ancestry  
Union County, 1916 Map (in U.S. Historic Land Ownership and Reference Atlases) Ancestry 