George and Mary Koch Farm

Listed on the National Register of Historic Places in 2008.

From the record

One of 15 National Register listings published here for Grant County · listed in 2008 · category: District.

Sources: the case file at the National Archives · the National Register database, National Park Service

The listing

Listed as. Koch, George and Mary, Farm - the National Register files a house under its owner's surname.
Address. 14849 474th Ave., Twin Brooks, 57269
When was it listed? February 2008
Category. district
Township. Grant Center township
National Register reference number. 08000048 - 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.

Mines and quarries near this property

3 within 5 miles

Regional context, not property-specific evidence. The federal mineral resources record lists 3 workings within 5 miles of George and Mary Koch Farm: 2 producers, 1 past producer. 2 still produce. What was taken out: Sand and Gravel, Construction, Granite. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.

Site	Commodity	Status
B F Coggins Granite Co Pit	Granite	Past Producer
Barlund Sand & Gravel Co Pit	Sand and Gravel, Construction	Producer
Stolpman Pit No 2	Sand and Gravel, Construction	Producer

Every working recorded in Grant County

Storms near this property

19 since 1997

Regional context, not property-specific evidence. The National Weather Service names Twin Brooks, the town this property stands in, in 19 storm reports between 1997 and 2022: 12 hail, 5 thunderstorm wind, 1 flash flood, 1 tornado. 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 2022	Tornado (EF1)	Twin Brooks	-	Roughly 300 yards to the south of the farm a calf shed was picked\|up and lofted to the north, over the shelterbelt on the south\|side of the property. The calf shed would land in the feed lot\|area and pushed up against a barn. A stave silo was moved off the\|foundation about a foot, but otherwise remained erect. A pole barn \|was severely damaged, with the west wall collapsed and the south wall\|pushed in. A wood grain bin shifted off the foundation and was\|pushed 300 feet to the north. Two empty grain bins were\|destroyed. One tossed into a creek on the north end of the\|property. The second was destroyed and lofted. A cattle trailer\|at the same location was pushed about 100 feet before it was\|rolled into the creek. Pieces of debris from the farm would be\|found across Highway 12 and over a mile to the north northeast of\|the property.
June 2018	Thunderstorm Wind	Twin Brooks	-	Sixty mph winds were estimated.
August 2017	Flash Flood	Twin Brooks	-	Very heavy rains brought a creek out of its banks with flooding over the road.
June 2013	Thunderstorm Wind	Twin Brooks	-	Several trees were downed along with many tree branches south of Corona.
June 2019	Hail	Twin Brooks	-	no account filed
July 2018	Hail	Twin Brooks	-	no account filed
August 2016	Thunderstorm Wind	Twin Brooks	-	no account filed
June 2015	Hail	Twin Brooks	-	no account filed
July 2015	Hail	Twin Brooks	-	no account filed
July 2015	Hail	Twin Brooks	-	no account filed
July 2014	Hail	Twin Brooks	-	no account filed
June 2007	Hail	Twin Brooks	-	no account filed
June 2007	Hail	Twin Brooks	-	no account filed
September 2006	Hail	Twin Brooks	-	no account filed
July 2005	Thunderstorm Wind	Twin Brooks	-	no account filed
June 2001	Hail	Twin Brooks	-	no account filed
September 2001	Hail	Twin Brooks	-	no account filed
May 1999	Hail	Twin Brooks	-	no account filed
July 1997	Thunderstorm Wind	Twin Brooks	-	no account filed

Every storm recorded in Grant County

Map coverage status

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.

Property	Distance	Listed
Emil and Hannah Johnson House	4.1 miles	2008
Milbank Carnegie Library	4.1 miles	1978
First National Bank of Milbank	4.3 miles	1978
Grant County Courthouse	4.4 miles	1993
First Congregational Church of Milbank	4.6 miles	1978
Hollands Grist Mill	5.1 miles	1981

Sources for this property

National Archives record	The nomination case file for reference 08000048 in Record Group 79.
Grant County	All 15 listed properties in this county.

Provenance

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.
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.