Listed on the National Register of Historic Places in 2004.
“Lock and Dam No. 20 is a lock and dam located on the Upper Mississippi River, the lock side in Canton, Missouri and the dam crossing to Meyer, Illinois.”
Wikipedia article Lock and Dam No. 20, CC BY-SA 4.0.
One of 12 National Register listings published here for Lewis County · listed in 2004 · category: District.
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 8 fires within 5 miles of Lock and Dam No. 20 Historic District between 1994 and 1999, burning about 410 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 | 4 |
| Misuse of fire by a minor | 2 |
| Smoking | 1 |
| Missing data/not specified/undetermined | 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 |
|---|---|---|---|---|
| 4 July 1996 | Misuse of fire by a minor | 2.0 acres | Missouri Department of Conservation | not named |
| 2 April 1994 | Misuse of fire by a minor | 1.0 acres | Missouri Department of Conservation | not named |
| 31 March 1997 | Debris and open burning | 6.0 acres | Missouri Department of Conservation | not named |
| 4 November 1999 | Debris and open burning | 280 acres | Missouri Department of Conservation | not named |
| 4 November 1996 | Missing data/not specified/undetermined | 5.0 acres | Missouri Department of Conservation | not named |
| 3 November 1996 | Debris and open burning | 65 acres | Missouri Department of Conservation | not named |
| 20 October 1996 | Smoking | 50 acres | Missouri Department of Conservation | not named |
| 12 October 1996 | Debris and open burning | 1.0 acres | Missouri Department of Conservation | not named |
Regional context, not property-specific evidence. The federal mineral resources record lists 5 workings within 5 miles of Lock and Dam No. 20 Historic District: 4 past producers, 1 producer. 1 still produces. 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 |
|---|---|---|---|---|
| Unk | Sand and Gravel, Construction | Past Producer | ||
| Shannon Quarry | Stone, Crushed/Broken | Producer | ||
| Unk | Stone, Crushed/Broken | Past Producer | ||
| Unk | Stone, Crushed/Broken | Past Producer | ||
| Unk | Stone, Crushed/Broken | Past Producer |
Regional context, not property-specific evidence. The National Weather Service names Canton, the town this property stands in, in 35 storm reports between 1993 and 2024: 20 thunderstorm wind, 12 hail, 1 tornado, 1 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 |
|---|---|---|---|---|
| September 1993 | Thunderstorm Wind | Canton | $500,000 | Downburst wind damaged three homes along a 2-mile-long track. Width of the downburst was 100 yards with significant roof damage. Some homes lost complete sections of the roofing. Several large trees were snapped or uprooted. Damage occurred for a 30-minute period ending at 1715 CST. |
| September 2021 | Thunderstorm Wind | Canton | $5,000 | Thunderstorm winds blew down several large trees as well a a couple of power poles around town. |
| April 2024 | Thunderstorm Wind | Canton | - | Trained spotters reported numerous tree limbs down in Canton with the largest up to 6 inches in diameter. A 3 to 4 foot diameter tree was also downed near 4th Street and Lewis Street. |
| August 2023 | Flash Flood | Canton | - | Up to six inches of rain fell in a short amount of time causing flash flooding. Highway B south of Canton was closed due to flash flooding. |
| June 2019 | Hail | Canton | - | Large hail fell across the La Grange area for at least 8 minutes. Some of the hail stones were up to golf ball sized. |
| August 2019 | Thunderstorm Wind | Canton | - | Thunderstorm winds blew down an 18 inch diameter tree at the intersection of 6th Street and Lewis Street. |
| November 2015 | Thunderstorm Wind | Canton | - | Thunderstorm winds blew down a large tree as well as several large tree limbs. |
| June 2011 | Thunderstorm Wind | Canton | - | An intense bow echo moved through Canton, blowing down numerous trees, tree limbs and power lines. A 62 mph wind gust was measured at Lock and Dam 20. |
| August 2010 | Thunderstorm Wind | Canton | - | Thunderstorm wind gusts caused scattered tree damage across town. A large tree fell in the parking lot of the First Baptist Church. A walnut tree fell over and destroyed a shed and an empty dog kennel. |
| June 2009 | Thunderstorm Wind | Canton | - | Thunderstorm winds snapped a power pole in Canton. |
| December 2008 | Thunderstorm Wind | Canton | - | Several trees blown down in Canton. |
| June 2008 | Thunderstorm Wind | Canton | - | Thunderstorm winds associated with a line of severe storms moved south across Lewis county. A large tree was blown over on U.S. Highway 61 north of Canton and a power pole was blown down onto Route 6 at the intersection with Route DD. |
| August 2007 | Thunderstorm Wind | Canton | - | Numerous large tree limbs were blown down. |
| August 2007 | Flood | Canton | - | Heavy rain upstream caused minor flooding on the Mississippi River. At Canton, the river peaked about 1.5 feet over flood stage. |
| September 2003 | Hail | Canton | - | Officials at Lock and Dan 20 reported 1 1/4 inch hail. |
| August 2003 | Thunderstorm Wind | Canton | - | Thunderstorm wind gusts snapped 2 large electric transmission lines in half northwest of Canton. Some patio furniture and a barbecue grill were also blown off the deck of a nearby home. |
| June 2001 | Thunderstorm Wind | Canton | - | Thunderstorm wind gusts caused scattered damage across Canton. Some trees and power lines were downed. Some large limbs were broken which fell on a few homes. |
| March 2000 | Hail | Canton | - | Storm spotters reported 3/4 inch hail. |
| March 1998 | Thunderstorm Wind | Canton | - | Thundertorm winds gusts broke some windows and downed a few trees in Canton. A few storage sheds west of town were also destroyed. |
| August 2022 | Hail | Canton | - | no account filed |
| June 2019 | Hail | Canton | - | no account filed |
| September 2019 | Hail | Canton | - | no account filed |
| April 2016 | Hail | Canton | - | no account filed |
| May 2008 | Hail | Canton | - | no account filed |
| September 2005 | Thunderstorm Wind | Canton | - | no account filed |
| August 2005 | Thunderstorm Wind | Canton | - | no account filed |
| July 2003 | Thunderstorm Wind | Canton | - | no account filed |
| August 2001 | Thunderstorm Wind | Canton | - | no account filed |
| August 2001 | Hail | Canton | - | no account filed |
| February 1999 | Thunderstorm Wind | Canton | - | no account filed |
| February 1999 | Hail | Canton | - | no account filed |
| June 1999 | Tornado (F0) | Canton | - | no account filed |
| July 1999 | Thunderstorm Wind | Canton | - | no account filed |
| June 1999 | Hail | Canton | - | no account filed |
| June 1999 | Hail | Canton | - | 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 |
|---|---|---|---|
 | Lincoln School | 1.3 miles | 1983 |
 | Henderson Hall | 1.3 miles | 1978 |
 | John McKoon House | 6.8 miles | 1999 |
 | Dr. J.A. Hay House | 6.8 miles | 1999 |
 | First Presbyterian Church | 6.9 miles | 2012 |
 | William Gray House | 7.0 miles | 1999 |
| National Archives record | The nomination case file for reference 04000180 in Record Group 79. |
| Wikipedia article | Community-written account of this property, licensed CC BY-SA. |
| Lewis County | All 12 listed properties in this county. |
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