Township Map
- with locations of towns, villages and other historical sites.
Section Map
- the Federal Range and Township System.
Allen Township History
- contained the old village of Allen, and the Olympus P.O.
Boyer Township History
- contains Woodbine, the old town of Willet and part of Twelve Mile Grove and Bigler's Grove.
Calhoun Township History
- contained the old town of Calhoun.
Cass Township History
- contains Six Mile Grove, and the site of the short-lived Needmore Post-Office.
Cincinnati Township History
- contains California Junction, Desoto Bend and the old town of Parrish City.
Clay Township History
- was the site of an 1804 camp site of the Lewis and Clark Expedition.
Douglas Township History
- contains Picayune Creek and part of Twelve Mile Grove.
Harrison Township History
- contains Dunlap, Weimer's Grove, and the defunct hamlet of Olmstead.
Jackson Township History
- contains Pisgah and the old sites of Orson, the Soldier Valley P.O. and the Mt. Pisgah Post Office.
Jefferson Township History
- contains Logan, Elk Grove and the old sites of Hard Scratch (Reeders Mill), Jeddo City and the old Whitesboro PO.
LaGrange Township History
- contains Beebeetown, Harris Grove, and the old town of Orton.
Lincoln Township History
- contained the site of the old Olympus Post Office.
Little Sioux Township History
- contains Little Sioux, River Sioux, and Smith's Lake. This history has a
surname index and a lookup contact for the book, "Bicentennial History of
Little Sioux Township." A special thanks to Mark Grassman for this
volunteer effort.
Magnolia Township History
- contains Magnolia and part of Bigler's Grove and Brown's Grove.
Morgan Township History
- contains Mondamin and Round Lake.
Raglan Township History
- contained the old Echo Post Office.
St John's Township History
- contains Missouri Valley and the old town of St. John's.
Taylor Township History
- contains Modale (aka Missouri Dale), and the old plats of Martinsville, and Melrose (swindle town).
Union Township History
- contains the old sites of Crisp, and the Unionburgh and Valley View post-offices.
Washington Township History
- contains Persia, Yorkshire, Magill, and the site of the old "Nephi" post-office.
Harrison County Iowa Genealogy - The IAGenWeb Project
Township Histories
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