National Register of Historic Places listings in Monona County, Iowa

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Location of Monona County in Iowa

This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Monona County, Iowa, United States. Latitude and longitude coordinates are provided for many National Register properties and districts; these locations may be seen together in a map.[1]

There are 10 properties and districts listed on the National Register in the county, including one National Historic Landmark.

This National Park Service list is complete through NPS recent listings posted November 9, 2018.[2]
Map all coordinates using: OpenStreetMap 
Download coordinates as: KML · GPX
[3] Name on the Register[4] Image Date listed[5] Location City or town Description
1 Garretson Outlet Bridge March 12, 1999
County Road K64 over Garretson Outlet Ditch
42°12′47″N 96°06′42″W / 42.213056°N 96.111667°W / 42.213056; -96.111667 (Garretson Outlet Bridge)
2 Ingemann Danish Evangelical Lutheran Church and Cemetery
Ingemann Danish Evangelical Lutheran Church and Cemetery
September 10, 2012
32044 County Road E54
41°56′19″N 95°55′37″W / 41.938536°N 95.926808°W / 41.938536; -95.926808 (Ingemann Danish Evangelical Lutheran Church and Cemetery)
3 Jones Creek Watershed Historic District December 23, 1991
Between the Little Sioux and Soldier Rivers, southwest of Moorhead
41°54′28″N 95°55′30″W / 41.907778°N 95.925000°W / 41.907778; -95.925000 (Jones Creek Watershed Historic District)
4 Mann School No. 2
Mann School No. 2
January 16, 2001
Oak Ave, 3.5 miles northwest of the entrance to Preparation Canyon State Park
41°55′48″N 95°57′12″W / 41.929917°N 95.953333°W / 41.929917; -95.953333 (Mann School No. 2)
5 Monona County Courthouse
Monona County Courthouse
July 2, 1981
Iowa Ave.
42°01′37″N 96°05′33″W / 42.027083°N 96.092389°W / 42.027083; -96.092389 (Monona County Courthouse)
6 Onawa IOOF Opera House
Onawa IOOF Opera House
August 3, 1990
1023 10th Ave.
42°01′32″N 96°05′49″W / 42.025611°N 96.096861°W / 42.025611; -96.096861 (Onawa IOOF Opera House)
7 Onawa Public Library
Onawa Public Library
October 1, 1979
Iowa Ave. and 7th St.
42°01′35″N 96°05′36″W / 42.026315°N 96.093460°W / 42.026315; -96.093460 (Onawa Public Library)
8 Round Barn, Cooper Township June 30, 1986
Iowa Highway 141
42°07′45″N 95°43′42″W / 42.129278°N 95.728417°W / 42.129278; -95.728417 (Round Barn, Cooper Township)
9 Trinity Memorial Episcopal Church
Trinity Memorial Episcopal Church
August 10, 1990
302 S. 7th St.
42°09′48″N 95°47′19″W / 42.16325°N 95.7885°W / 42.16325; -95.7885 (Trinity Memorial Episcopal Church)
10 Newell A. Whiting House
Newell A. Whiting House
August 10, 1990
1106 Iowa Ave.
42°01′37″N 96°05′57″W / 42.027068°N 96.099037°W / 42.027068; -96.099037 (Newell A. Whiting House)

See also[edit]


  1. ^ The latitude and longitude information provided in this table was derived originally from the National Register Information System, which has been found to be fairly accurate for about 99% of listings. For about 1% of NRIS original coordinates, experience has shown that one or both coordinates are typos or otherwise extremely far off; some corrections may have been made. A more subtle problem causes many locations to be off by up to 150 yards, depending on location in the country: most NRIS coordinates were derived from tracing out latitude and longitudes from USGS topographical quadrant maps created under the North American Datum of 1927, which differs from the current, highly accurate WGS84 GPS system used by most on-line maps. Chicago is about right, but NRIS longitudes in Washington are higher by about 4.5 seconds, and are lower by about 2.0 seconds in Maine. Latitudes differ by about 1.0 second in Florida. Some locations in this table may have been corrected to current GPS standards.
  2. ^ "National Register of Historic Places: Weekly List Actions". National Park Service, United States Department of the Interior. Retrieved on November 9, 2018.
  3. ^ Numbers represent an ordering by significant words. Various colorings, defined here, differentiate National Historic Landmarks and historic districts from other NRHP buildings, structures, sites or objects.
  4. ^ National Park Service (2008-04-24). "National Register Information System". National Register of Historic Places. National Park Service.
  5. ^ The eight-digit number below each date is the number assigned to each location in the National Register Information System database, which can be viewed by clicking the number.