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Iowa uses the rectangular land survey system of section, township, and range.The townships were six-mile square blocks of land, divided into 36 one-mile squares called sections. The township was numbered north and south, starting from the center line, and the range was numbered east and west starting from the center line. | Iowa uses the rectangular land survey system of section, township, and range.The townships were six-mile square blocks of land, divided into 36 one-mile squares called sections. The township was numbered north and south, starting from the center line, and the range was numbered east and west starting from the center line. | ||
*Maps showing these surveys are included in:<br>Andriot, Jay. Township Atlas of the United States. McLean, Virginia: Documents Index, 1991. {{FHL|456649|item}}, book 973 E7an 1991. This book is arranged alphabetically by state. | *Maps showing these surveys are included in:<br>Andriot, Jay. ''Township Atlas of the United States''. McLean, Virginia: Documents Index, 1991. {{FHL|456649|item}}, book 973 E7an 1991. This book is arranged alphabetically by state. | ||
*United States General Land Office ''Field notes from selected General Land Office township surveys.'' Washington, District of Columbia: The National Archives, 1979. {{FHL|479867|item}}, film 1065577. | *United States General Land Office ''Field notes from selected General Land Office township surveys.'' Washington, District of Columbia: The National Archives, 1979. {{FHL|479867|item}}, film 1065577. |
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