Listed on the National Register of Historic Places in 1977.
“Cedar Valley Seminary is a historic seminary building currently at N. 7th and Chase Streets in Osage, Iowa. Prior to June 2016, it had been located at N. 6th and Mechanic Streets.”
Wikipedia article Cedar Valley Seminary, CC BY-SA 4.0.
One of 12 National Register listings published here for Mitchell County · listed in 1977 · category: Building.
Sources: the Wikipedia article · the National Register database, National Park Service
Regional context, not property-specific evidence. The federal wildfire occurrence database lists 9 fires within 5 miles of Cedar Valley Seminary between 2015 and 2016, burning about 10 acres in total. 1 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 |
|---|---|
| Equipment and vehicle use | 2 |
| Debris and open burning | 2 |
| Missing data/not specified/undetermined | 2 |
| Smoking | 1 |
| Natural | 1 |
| Misuse of fire by a minor | 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 |
|---|---|---|---|---|
| 7 September 2015 | Natural | under an acre | Iowa Department of Natural Resources | not named |
| 30 March 2015 | Missing data/not specified/undetermined | under an acre | Iowa Department of Natural Resources | not named |
| 27 March 2015 | Smoking | under an acre | Iowa Department of Natural Resources | not named |
| 21 March 2015 | Debris and open burning | 1.0 acres | Iowa Department of Natural Resources | not named |
| 3 November 2016 | Debris and open burning | 5.0 acres | Iowa Department of Natural Resources | WAUKON AREA FIRE PROT. DIST. |
| 24 October 2016 | Missing data/not specified/undetermined | 1.0 acres | Iowa Department of Natural Resources | OSAGE |
| 19 October 2015 | Equipment and vehicle use | 2.0 acres | Iowa Department of Natural Resources | not named |
| 11 October 2015 | Equipment and vehicle use | under an acre | Iowa Department of Natural Resources | not named |
Regional context, not property-specific evidence. The federal mineral resources record lists 10 workings within 5 miles of Cedar Valley Seminary: 6 past producers, 4 producers. 4 still produce. What was taken out: Stone, Crushed/Broken, 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.
| Where | Site | Commodity | Status | Recorded |
|---|---|---|---|---|
| Cedar Quarry | Stone, Crushed/Broken | Producer | ||
| Decklever Pit | Sand and Gravel, Construction | Past Producer | ||
| Husselman Pit | Sand and Gravel, Construction | Past Producer | ||
| Lesch Quarry | Stone, Crushed/Broken | Producer | ||
| Schmidt Pit | Sand and Gravel, Construction | Producer | ||
| Unknown | Stone, Crushed/Broken | Producer | ||
| Unknown | Stone, Crushed/Broken | Past Producer | ||
| Unknown | Stone, Crushed/Broken | Past Producer | ||
| Unknown | Sand and Gravel, Construction | Past Producer | ||
| Unknown | Sand and Gravel, Construction | Past Producer |
Regional context, not property-specific evidence. The National Weather Service names Osage, the town this property stands in, in 58 storm reports between 1994 and 2025: 27 thunderstorm wind, 17 hail, 5 flood, 4 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.
| When | Event | Place named | Harm | What the report says |
|---|---|---|---|---|
| April 2001 | Thunderstorm Wind | Osage | $1,000,000 | no account filed |
| July 1994 | Thunderstorm Wind | Osage | $500,000 | no account filed |
| June 1999 | Thunderstorm Wind | Osage | $70,000 | no account filed |
| June 1999 | Thunderstorm Wind | Osage | $65,000 | no account filed |
| May 2013 | Thunderstorm Wind | Osage | $50,000 | A barn was blown over west of Osage killing 5 head of cattle that were inside the barn at the time. |
| April 2001 | Thunderstorm Wind | Osage | $50,000 | no account filed |
| December 2021 | Thunderstorm Wind | Osage | $40,000 | Part of a roof was blown off a house and a garage door blown in at a residence in Osage. |
| May 2016 | Thunderstorm Wind | Osage | $15,000 | Power lines and tree branches were blown down in Osage. A tree that was blown over landed on cars and another blocked a street. |
| June 2014 | Thunderstorm Wind | Osage | $13,000 | Several trees were blown down and blocked streets in Osage. One of these trees landed on a car. |
| June 2010 | Thunderstorm Wind | Osage | $10,000 | Numerous trees and power lines were reported down throughout the county. |
| June 2008 | Flood | Osage | $10,000 | no account filed |
| March 2005 | Tornado (F0) | Osage | $10,000 | no account filed |
| July 2006 | Thunderstorm Wind | Osage | $7,500 | no account filed |
| September 2011 | Thunderstorm Wind | Osage | $7,000 | A tree was blown down on a house and several other trees and light poles were damaged in Osage. |
| June 1998 | Thunderstorm Wind | Osage | $7,000 | no account filed |
| July 2017 | Thunderstorm Wind | Osage | $6,000 | An estimated 70 mph wind gust occurred in Osage. Numerous trees were blown down with one blocking U.S. Highway 218. |
| June 2018 | Thunderstorm Wind | Osage | $5,000 | Power lines and tree limbs were blown down near Osage. |
| June 2018 | Thunderstorm Wind | Osage | $5,000 | Trees were blown down in Osage with at least one landing on a car. |
| May 2017 | Thunderstorm Wind | Osage | $5,000 | Some trees and power lines were blown down in Osage. |
| August 1994 | Hail | Osage | $5,000 | no account filed |
| May 1994 | Hail | Osage | $5,000 | no account filed |
| July 2002 | Thunderstorm Wind | Osage | $4,500 | no account filed |
| June 2020 | Thunderstorm Wind | Osage | $2,000 | Trees were blown down in Osage. |
| June 2019 | Thunderstorm Wind | Osage | $2,000 | Trees were blown down north of Osage. |
| June 2018 | Flood | Osage | $2,000 | Runoff from heavy rain pushed some small creeks out of their banks across southern Mitchell County with the flood waters going over some roads. |
| May 2017 | Thunderstorm Wind | Osage | $2,000 | Trees were blown down between Osage and Mitchell. |
| May 2017 | Thunderstorm Wind | Osage | $2,000 | Trees were blown down in Osage. |
| July 2016 | Thunderstorm Wind | Osage | $2,000 | Several large tree branches were blown down in Osage. |
| September 2016 | Flood | Osage | $2,000 | Runoff from heavy rain pushed the Cedar River out of its banks near Osage. The river crested almost six feet above the flood stage at 27.78 feet. |
| July 2011 | Thunderstorm Wind | Osage | $1,500 | A few trees were blown down in Osage. |
| July 2003 | Thunderstorm Wind | Osage | $1,500 | no account filed |
| June 2018 | Hail | Osage | $1,000 | no account filed |
| July 2025 | Thunderstorm Wind | Osage | - | The Mitchell County 911 Call Center reported multiple trees down in the city of Osage. |
| May 2022 | Hail | Osage | - | Ping pong ball sized hail was reported in Osage. |
| June 2018 | Funnel Cloud | Osage | - | A funnel cloud was sighted north of Osage. |
| June 2018 | Heavy Rain | Osage | - | Four inches of rain fell in Osage. |
| August 2016 | Heavy Rain | Osage | - | The COOP observer in Osage measured 4.73 inches of rain. |
| October 2016 | Flood | Osage | - | Runoff from heavy rains pushed the Cedar River out of its banks near Osage. The river crested less than a foot over the flood stage at 22.83 feet. |
| June 2014 | Flood | Osage | - | Runoff from heavy rain pushed the Cedar River out of its banks sending water over River Road west of Osage. |
| April 2013 | Heavy Rain | Osage | - | The COOP observer near Osage reported 2.52 inches of rain. |
| May 2013 | Hail | Osage | - | Lots of quarter sized hail fell and covered the ground along State Highway 9 just west of Osage. |
| May 2013 | Heavy Rain | Osage | - | The automated mesonet observing equipment in Osage measured 3.84 inches of rain. |
| June 2008 | Hail | Osage | - | Hail covered the ground two inches deep. A weather station at the Law Enforcement Center had a temperature drop from 79 to 36 degrees. |
| July 2008 | Flash Flood | Osage | - | Street flooding was reported in Osage with measured rainfall of 2.50 inches. |
| April 2013 | Hail | Osage | - | no account filed |
| May 2012 | Hail | Osage | - | no account filed |
| April 2009 | Hail | Osage | - | no account filed |
| June 2008 | Hail | Osage | - | no account filed |
| June 2008 | Hail | Osage | - | no account filed |
| June 2008 | Hail | Osage | - | no account filed |
| July 2006 | Thunderstorm Wind | Osage | - | no account filed |
| July 2005 | Funnel Cloud | Osage | - | no account filed |
| May 2003 | Hail | Osage | - | no account filed |
| June 1997 | Hail | Osage | - | no account filed |
| June 1997 | Hail | Osage | - | no account filed |
| October 1996 | Hail | Osage | - | no account filed |
| October 1996 | Hail | Osage | - | no account filed |
| August 1994 | Tornado (F0) | Osage | - | no account filed |
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 |
|---|---|---|---|
 | Nathaniel Cobb and Lucetia Baily Deering House | 0.1 miles | 2001 |
 | Osage Commercial Historic District | 0.2 miles | 2002 |
 | Mitchell County Courthouse | 0.2 miles | 1977 |
| Our Savior's Lutheran Church | 0.3 miles | 2022 | |
 | Mitchell Powerhouse and Dam | 4.1 miles | 1978 |
 | Walnut Grove School | 6.6 miles | 2002 |
| National Archives record | The nomination case file for reference 77000541 in Record Group 79. |
| Wikipedia article | Community-written account of this property, licensed CC BY-SA. |
| Mitchell County | All 12 listed properties in this county. |
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