Listed on the National Register of Historic Places in 1999.
“The Slayton Farms-Round Barn is a historic building located near Iowa Falls in rural Hardin County, Iowa, United States. Frank Slayton had it built in 1915 for use as a dairy barn.”
Wikipedia article Slayton Farms-Round Barn, CC BY-SA 4.0.
One of 34 National Register listings published here for Hardin County · listed in 1999 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service
Regional context, not property-specific evidence. The federal wildfire occurrence database lists 14 fires within 5 miles of Slayton Farms-Round Barn between 2006 and 2011, burning about 137 acres in total. None started naturally. None 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 | 14 |
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 |
|---|---|---|---|---|
| 2 July 2007 | Missing data/not specified/undetermined | 1.0 acres | Iowa Department of Natural Resources | not named |
| 14 July 2007 | Missing data/not specified/undetermined | 1.0 acres | Iowa Department of Natural Resources | not named |
| 17 June 2006 | Missing data/not specified/undetermined | under an acre | Iowa Department of Natural Resources | not named |
| 14 June 2008 | Missing data/not specified/undetermined | under an acre | Iowa Department of Natural Resources | not named |
| 6 April 2011 | Missing data/not specified/undetermined | 2.0 acres | Iowa Department of Natural Resources | I-35 MM 102, IA |
| 5 April 2006 | Missing data/not specified/undetermined | 2.0 acres | Iowa Department of Natural Resources | not named |
| 3 April 2010 | Missing data/not specified/undetermined | 2.0 acres | Iowa Department of Natural Resources | 11908 MM AVENUE, IOWA |
| 23 April 2009 | Missing data/not specified/undetermined | 20 acres | Iowa Department of Natural Resources | not named |
Regional context, not property-specific evidence. The federal mineral resources record lists 12 workings within 5 miles of Slayton Farms-Round Barn: 6 past producers, 6 producers. 6 still produce. What was taken out: Sand and Gravel, Construction, Stone, Crushed/Broken, Calcium, Phosphorus-Phosphates, Clay. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.
| Where | Site | Commodity | Status | Recorded |
|---|---|---|---|---|
| Iowa Falls Tile Co. | Clay | Past Producer | ||
| Sargent Calcium Products | Calcium, Phosphorus-Phosphates | Producer | ||
| Alden Plant | Stone, Crushed/Broken | Producer | ||
| Alden Quarry and Mill | Stone, Crushed/Broken | Producer | ||
| Riekena Quarry | Stone, Crushed/Broken | Producer | ||
| Unknown | Stone, Crushed/Broken | Past Producer | ||
| Harms Pit | Sand and Gravel, Construction | Past Producer | ||
| Iowa Falls Pit | Sand and Gravel, Construction | Past Producer | ||
| Lyman Pit | Sand and Gravel, Construction | Past Producer | ||
| Slayton Pit | Sand and Gravel, Construction | Past Producer |
Regional context, not property-specific evidence. The National Weather Service names Iowa Falls, the town this property stands in, in 104 storm reports between 1993 and 2025: 32 thunderstorm wind, 27 hail, 24 heavy rain, 7 flood. 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.
| When | Event | Place named | Harm | What the report says |
|---|---|---|---|---|
| May 1998 | Hail | Iowa Falls | $400,000 | no account filed |
| March 2019 | Flash Flood | Iowa Falls | $200,000 | Emergency manager reported an ice jam in Iowa Falls has caused rapid rises along the Iowa river. At one point there was an 8 foot rise in 15 minutes. |
| April 2001 | Thunderstorm Wind | Iowa Falls | $100,000 | Microburst wind event. |
| May 1999 | Flash Flood | Iowa Falls | $100,000 | no account filed |
| May 1998 | Thunderstorm Wind | Iowa Falls | $100,000 | no account filed |
| May 2008 | Flood | Iowa Falls | $75,000 | The Mayor of Alden reported that the Alden Elementary School was closed Wednesday due to 4 feet of water in the boiler room and a foot of water in the cafeteria. The water softener, main compressor, and several chemicals have water damage in the boiler room as well. |
| June 1998 | Flood | Iowa Falls | $70,000 | no account filed |
| July 2019 | Thunderstorm Wind | Iowa Falls | $50,000 | Trained spotter reported many whole trees down, either snapped or uprooted, along with several smaller limbs down throughout town. Some roads were blocked from the downed trees. The local college was without power. Penny hail also occurred. |
| May 2008 | Heavy Rain | Iowa Falls | $50,000 | The rain began around 1845 CST Tuesday evening and ended around 0115 CST Wednesday morning. A total of 6.25 inches was reported. |
| May 2008 | Flood | Iowa Falls | $50,000 | The Mayor of Alden reported that several County Roads were washed out or covered with water in and around Alden. The Alden Fire Department was pumping water out of drains due to storm drains running full and manhole covers popping. |
| June 2008 | Heavy Rain | Iowa Falls | $50,000 | Water was reported in residential basements. |
| August 2004 | Lightning | Iowa Falls | $50,000 | no account filed |
| July 1999 | Flash Flood | Iowa Falls | $50,000 | no account filed |
| June 1998 | Flood | Iowa Falls | $50,000 | no account filed |
| June 1998 | Flood | Iowa Falls | $50,000 | no account filed |
| August 1993 | Thunderstorm Wind | Iowa Falls | $50,000 | no account filed |
| June 2001 | Hail | Iowa Falls | $30,000 | no account filed |
| May 2008 | Flood | Iowa Falls | $25,000 | The Hardin County Sheriff reported the intersection of D15 and D20 closed between Iowa Falls and Alden. |
| June 2008 | Heavy Rain | Iowa Falls | $25,000 | Numerous roads closed in the Alden area by flooding with 4.75 inches of rain. |
| June 2008 | Flash Flood | Iowa Falls | $25,000 | Hwy 65 covered by water near the railroad underpass in Iowa Falls. |
| August 2004 | Thunderstorm Wind | Iowa Falls | $25,000 | no account filed |
| June 1998 | Thunderstorm Wind | Iowa Falls | $25,000 | no account filed |
| June 2015 | Thunderstorm Wind | Iowa Falls | $20,000 | Public reported large trees down in Iowa Falls. Report received via post to WHO TV Facebook page. |
| March 2008 | Flood | Iowa Falls | $20,000 | Shallow water was flowing over county road D15. Water was forced onto highway by blocked culvert in the Alden area. |
| June 2008 | Flash Flood | Iowa Falls | $20,000 | Water was over the road on County Highway D20 between Iowa Falls and Alden. |
| May 2004 | Hail | Iowa Falls | $20,000 | no account filed |
| August 2004 | Thunderstorm Wind | Iowa Falls | $15,000 | no account filed |
| June 1998 | Thunderstorm Wind | Iowa Falls | $15,000 | no account filed |
| September 2017 | Thunderstorm Wind | Iowa Falls | $10,000 | Public reported wind damage in and near Iowa Falls, including tree branches and power pole damage. This is a delayed report. Time and location estimated based on radar. |
| July 2016 | Thunderstorm Wind | Iowa Falls | $10,000 | Law Enforcement reported several power lines and large trees down throughout the town of Alden. |
| June 2015 | Thunderstorm Wind | Iowa Falls | $10,000 | Trained spotter reports large trees down across driveway. |
| June 2008 | Thunderstorm Wind | Iowa Falls | $10,000 | Trees damaged with one 18 inch diameter tree falling on a van. |
| June 2005 | Thunderstorm Wind | Iowa Falls | $10,000 | no account filed |
| June 2005 | Thunderstorm Wind | Iowa Falls | $10,000 | no account filed |
| July 2019 | Thunderstorm Wind | Iowa Falls | $5,000 | Trained spotter reported numerous instances of medium to large tree branches down while driving around town, including estimated 12 inch diameter branches. Also reported power out in parts of town. Time estimated from radar. |
| August 2018 | Lightning | Iowa Falls | $5,000 | A lightning strike blew a transformer causing a loss of power, internet and cell service. |
| June 2010 | Thunderstorm Wind | Iowa Falls | $5,000 | Five inch diameter tree limbs snapped. |
| June 2008 | Thunderstorm Wind | Iowa Falls | $5,000 | Six to eight tree limbs fell on a vehicle. |
| June 2008 | Thunderstorm Wind | Iowa Falls | $5,000 | Widespread small tree limb damage and one 8 inch diameter limb snapped. Tree was snapped at Linden and Indiana Ave. |
| April 2006 | Hail | Iowa Falls | $5,000 | no account filed |
| May 2004 | Hail | Iowa Falls | $5,000 | no account filed |
| April 2002 | Hail | Iowa Falls | $5,000 | no account filed |
| June 2000 | Thunderstorm Wind | Iowa Falls | $5,000 | no account filed |
| May 1996 | Thunderstorm Wind | Iowa Falls | $5,000 | no account filed |
| April 2007 | Hail | Iowa Falls | $3,000 | no account filed |
| April 2007 | Hail | Iowa Falls | $3,000 | no account filed |
| June 2025 | Thunderstorm Wind | Iowa Falls | $2,000 | Branches, trees, and powerlines down. Report by Alden Fire Department. |
| August 2018 | Thunderstorm Wind | Iowa Falls | $2,000 | Tree damage was reported in town with some limbs down. |
| July 2013 | Thunderstorm Wind | Iowa Falls | $2,000 | Dime size hail was reported as well. |
| April 2006 | Hail | Iowa Falls | $2,000 | no account filed |
| June 1997 | Thunderstorm Wind | Iowa Falls | $2,000 | no account filed |
| April 2008 | Thunderstorm Wind | Iowa Falls | $1,000 | no account filed |
| June 2005 | Hail | Iowa Falls | $1,000 | no account filed |
| June 2005 | Hail | Iowa Falls | $1,000 | no account filed |
| June 1997 | Hail | Iowa Falls | $1,000 | no account filed |
| June 1995 | Tornado (F0) | Iowa Falls | $1,000 | no account filed |
| May 1999 | Hail | Iowa Falls | $500 | no account filed |
| May 1999 | Hail | Iowa Falls | $500 | no account filed |
| March 2025 | Hail | Iowa Falls | - | Pea to penny sized hail in Iowa Falls, reported from a trained spotter. |
| March 2025 | Hail | Iowa Falls | - | Hail report received via social media. |
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.
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.
| Photograph | Property | Distance | Listed |
|---|---|---|---|
 | Glenn and Nell Kurtz Lustron Home and Garage | 0.5 miles | 2014 |
 | Washington Avenue Bridge | 1.1 miles | 1998 |
 | Metropolitan Opera House | 1.1 miles | 1975 |
 | River Street Bridge | 1.2 miles | 1998 |
 | Edgewood School of Domestic Arts | 1.3 miles | 1979 |
 | W. R. C. Hall | 1.3 miles | 1993 |
| National Archives record | The nomination case file for reference 99000739 in Record Group 79. |
| Wikipedia article | Community-written account of this property, licensed CC BY-SA. |
| Hardin County | All 34 listed properties in this county. |
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