Listed on the National Register of Historic Places in 1986.
From the record
“The Round Barn, Millville Township is an historical building located in rural Clayton County, Iowa, United States. It was built in 1916 as a general purpose barn.”
Wikipedia article Round Barn, Millville Township, CC BY-SA 4.0.
One of 54 National Register listings published here for Clayton County · listed in 1986 · category: Building.
Also known as. Iowa Round Barns: The Sixty Year Experiment TR
Township. Millville township
National Register reference number.86001423- the number the National Park Service assigned this property when it was listed, and the key its nomination file is catalogued under at the National Archives.
Fires near this property
12 since 2006
Regional context, not property-specific
evidence. The
federal wildfire occurrence database
lists 12 fires within 5 miles of Round Barn, Millville Township
between 2006 and 2018, burning about 222 acres in total. None started naturally. 1 was recorded as arson.
Distance is straight-line from the map coordinates, so a fire counted
here may appear on a neighbouring settlement's page as well.
Reported cause
Fires
Missing data/not specified/undetermined
10
Debris and open burning
1
Arson/incendiarism
1
The most recent of
them, most recent first, with the day each was reported and the service
that recorded it.
Date
Cause
Size
Reported by
Name on the report
1 May 2015
Missing data/not specified/undetermined
7.0 acres
McGregor District, Upper Mississippi River Complex
TURKEY BOTTOMS
28 April 2018
Missing data/not specified/undetermined
165 acres
Port Louisa National Wildlife Refuge
TURKEY RIVER
16 April 2008
Arson/incendiarism
8.5 acres
McGregor District, Upper Mississippi River Complex
Regional context, not property-specific
evidence. The federal mineral resources record lists
11 workings within 5 miles of Round Barn, Millville Township: 10 past producers, 1 unknown.
None of them still produces. What was taken out: Stone, Crushed/Broken, Phosphorus-Phosphates, Lead, Sand and Gravel, Construction. Distance is straight-line from the
map coordinates, so a quarry counted here may appear on a neighbouring
settlement's page as well.
Regional context, not property-specific
evidence. The National Weather Service names
Millville, the town this property stands in, in 6 storm reports between 2003 and 2024: 3 hail, 1 thunderstorm wind, 1 flood, 1 heavy rain.
No death or injury is recorded in these reports. Each account below is quoted exactly as the forecast office
filed it, from the NOAA Storm Events Database, and each date
opens the federal record of that event.
Rising waters from the Little Turkey River went over parts of Graham Road near U.S. Highway 52 in Millville. Some of the rising water also went into the basements of some homes.
No historic map-sheet match is published
for this property yet. That does not mean no map exists. This record needs
a coordinate-quality review before it can be joined to a sheet boundary.
Browse the county's mapped places while that work is
pending.
Listed places nearby
6 within 8 miles
Other National Register properties close
enough to walk or drive between, ordered by distance from this one. Both
positions come from the same geocoding pass that matched these properties
to their map sheets.
Listing record. National Park Service National Register of Historic Places, listed-properties dataset, current to 2026-05-22.
Map join. Address geocoded through the United States Census geocoder, then tested against the published boundary of every sheet in the USGS Historical Topographic Map Collection.
How this page is made. Listing fields come from federal records; map-sheet coverage is a labelled coordinate-to-boundary calculation, not a source-field claim.
Wildfire. Short, Karen C. 2022. Spatial wildfire occurrence data for the United States, 1992-2020 [FPA_FOD_20221014]. 6th Edition. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2013-0009.6 Collected with United States Government funding and usable without additional permissions or fees.
Mines and quarries. USGS Mineral Resources Data System (MRDS) https://mrdata.usgs.gov/mrds/ A work of the United States government, no copyright under 17 U.S.C. 105.
Storms. NOAA National Centers for Environmental Information, Storm Events Database https://www.ncei.noaa.gov/stormevents/ A work of the United States government, no copyright under 17 U.S.C. 105. Narratives are quoted verbatim from the National Weather Service report and are not edited or summarised.
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