Mill Rock School

Built in 1869. Listed on the National Register of Historic Places in 1992.

From the record

“Mill Rock School is a historic one-room schoolhouse located south of Baldwin, Iowa, United States. It is one of over 217 limestone structures in Jackson County from the mid-19th century, of which 12 are school buildings.”
Wikipedia article Mill Rock School, CC BY-SA 4.0.

One of 77 National Register listings published here for Jackson County · listed in 1992 · category: Building · built in 1869.

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

The listing

What is counted as historic. The nomination lists 1 building as contributing to the listing.
Address. W side of Co. Rd. (153 Ave.) S of Baldwin, Baldwin, 52207
When was it listed? July 1992
Category. building
Also known as. Limestone Architecture of Jackson County MPS
Township. Monmouth township
When was it built? 1869
National Register reference number. 92000913 - 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

23 since 2007

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 23 fires within 5 miles of Mill Rock School between 2007 and 2018, burning about 90 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
Debris and open burning	12
Missing data/not specified/undetermined	9
Equipment and vehicle use	2

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
9 July 2012	Debris and open burning	2.0 acres	Iowa Department of Natural Resources	not named
9 June 2017	Debris and open burning	under an acre	Iowa Department of Natural Resources	not named
7 April 2013	Debris and open burning	under an acre	Iowa Department of Natural Resources	not named
22 April 2018	Debris and open burning	1.0 acres	Iowa Department of Natural Resources	not named
19 April 2015	Debris and open burning	3.0 acres	Iowa Department of Natural Resources	not named
19 April 2010	Missing data/not specified/undetermined	15 acres	Iowa Department of Natural Resources	1450 50TH AVE, IOWA
18 April 2014	Debris and open burning	5.0 acres	Iowa Department of Natural Resources	not named
14 April 2009	Missing data/not specified/undetermined	1.0 acres	Iowa Department of Natural Resources	not named

Every fire recorded in Jackson County

Mines and quarries near this property

9 within 5 miles

Regional context, not property-specific evidence. The federal mineral resources record lists 9 workings within 5 miles of Mill Rock School: 8 past producers, 1 unknown. None of them still produces. What was taken out: Lead, Stone, Crushed/Broken, Limestone, Dimension, Flagstone. 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	Recorded
Maquoketa Pit	Sand and Gravel, Construction	Past Producer
Unknown	Limestone, Dimension	Past Producer
Unknown	Flagstone	Past Producer
Baldwin Mines	Lead	Past Producer	Galena
Main Baldwin Diggings	Lead	Past Producer	Galena
Schwenker Quarry	Stone, Crushed/Broken	Past Producer
Unknown	Stone, Crushed/Broken	Past Producer
Unknown	Lead	Past Producer
Unknown	Stone, Crushed/Broken	Unknown

Every working recorded in Jackson County

Storms near this property

8 since 1999

Regional context, not property-specific evidence. The National Weather Service names Baldwin, the town this property stands in, in 8 storm reports between 1999 and 2023: 7 thunderstorm wind, 1 hail. 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 1999	Thunderstorm Wind	Baldwin	$15,000	Severe thunderstorm winds destroyed a machine shed, one grain bin, and one silo. Two other silos and a loading chute were also damaged.
April 2007	Thunderstorm Wind	Baldwin	$1,000	A garage door was blown in.
July 2023	Thunderstorm Wind	Baldwin	-	Large tree branches were blown down.
April 2014	Thunderstorm Wind	Baldwin	-	A tree was reported down in Baldwin. Time of the event was estimated using radar.
June 2014	Thunderstorm Wind	Baldwin	-	A trained spotter reported that a building collapsed onto two campers about 3 miles north of Baldwin.
June 2014	Thunderstorm Wind	Baldwin	-	The public reported windows blown out of a home along Highway 64 and 82nd street.
September 2002	Thunderstorm Wind	Baldwin	-	no account filed
September 2002	Hail	Baldwin	-	no account filed

Every storm recorded in Jackson 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
Mrs. Margaret Sieben House	2.1 miles	1992
Lubben, Henry, House, Smokehouse and Springhouse	2.5 miles	1992
Maquoketa Caves State Park Historic District	5.3 miles	1991
Milton Godard House	5.5 miles	1992
Canton School	7.8 miles	1979
Central School	8.0 miles	1992

Sources for this property

National Archives record	The nomination case file for reference 92000913 in Record Group 79.
Wikipedia article	Community-written account of this property, licensed CC BY-SA.
Jackson County	All 77 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.
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.