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Black Hawk

 * 1860-1918 U.S., Indexed County Land Ownership Maps, 1860-1918, Black Hawk County at Ancestry ($) - index.
 * 1875-2007 Black Hawk County 1875-2007 at Historic Map Works - may include names of land-owners.
 * 1885-1962 Fire Insurance Maps for Black Hawk County, Iowa at Library of Congress - various years between 1885 and 1962.
 * (*); at FamilySearch Catalog — images.
 * Black Hawk County Maps at FamilySearch Catalog.
 * IAGenWeb - Black Hawk County.
 * (*); at FamilySearch Catalog — images.
 * Iowa Digital Library, Black Hawk County at Iowa University Libraries.
 * The Iowa Heritage Digital Collections, Black Hawk County at State Library of Iowa.
 * Township Map of 1875 Black Hawk County, Iowa at My Genealogy Hound.
 * FamilySearch Places:Cities and Towns- How to Use FS Places