BlockFrom the record
One of 20 National Register listings published here for Chouteau County · listed in 1974 · category: Site.
Sources: the case file at the National Archives · the National Register database, National Park Service
Lewis and Clark Camp at Slaughter River
Listed on the National Register of Historic Places in 1974.
The listing
- What is counted as historic. The nomination lists 1 site as contributing to the listing.
- Address. 40 mi. S of Big Sandy River on Missouri River, Big Sandy, 59520
- When was it listed? December 1974
- Category. site
- Census division. Big Sandy
- National Register reference number. 74001094 - 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
4 since 1996Regional context, not property-specific evidence. The federal wildfire occurrence database lists 4 fires within 5 miles of Lewis and Clark Camp at Slaughter River between 1996 and 2019, burning about 583 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 |
|---|---|
| Misuse of fire by a minor | 1 |
| Missing data/not specified/undetermined | 1 |
| Recreation and ceremony | 1 |
| Natural | 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 |
|---|---|---|---|---|
| 22 August 1996 | Misuse of fire by a minor | 300 acres | North Central Montana District | BOATMAN |
| 28 July 1999 | Missing data/not specified/undetermined | 3.0 acres | North Central Montana District | 8 MILE |
| 15 July 2019 | Natural | 280 acres | North Central Montana District | LAST CHANCE |
| 27 June 2008 | Recreation and ceremony | under an acre | North Central Montana District | SLAUGHTER RIVER |
Storms near this property
47 since 1994Regional context, not property-specific evidence. The National Weather Service names Big Sandy, the town this property stands in, in 47 storm reports between 1994 and 2025: 28 thunderstorm wind, 18 hail, 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 |
|---|---|---|---|---|
| May 2024 | Flood | Big Sandy | $194,000 | MT Department of Emergency Services reported $177,000 worth of damages to roads and bridges near the Bears Paw Mountains. Additional damages to utilities totaled $17,000. |
| July 2000 | Thunderstorm Wind | Big Sandy | $2,000 | no account filed |
| April 2025 | Thunderstorm Wind | Big Sandy | - | Landspout. The public relayed a report of a landspout to broadcast media on social media. Time and location is estimated. |
| September 2022 | Thunderstorm Wind | Big Sandy | - | Mesonet station MTM90 Big Sandy SW reported 54 knot wind gust. |
| July 2022 | Thunderstorm Wind | Big Sandy | - | An ambient station reported a 70 mph wind gust. |
| July 2022 | Thunderstorm Wind | Big Sandy | - | Sustained 77 gusting 91 mph. Unconfirmed 103mph gust. Recorded pressure drop of 11mb in 5 min. Recorded via ambient weather. |
| July 2021 | Thunderstorm Wind | Big Sandy | - | Ambient weather station at 13 W Big Sandy measured a 67 kt (77 mph) thunderstorm wind gust. |
| July 2021 | Thunderstorm Wind | Big Sandy | - | Semi blow off of highway 87 at mile marker 78 and power lines blown down in the same area. |
| June 2021 | Hail | Big Sandy | - | Social media pictures from social media post showing 1.5 to 2 inch hail near Centennial Mountain. |
| June 2019 | Thunderstorm Wind | Big Sandy | - | Measured wind gust of 67 kts. |
| August 2017 | Thunderstorm Wind | Big Sandy | - | Mesonet station reported measured wind gust of 57 mph. |
| June 2016 | Thunderstorm Wind | Big Sandy | - | A thunderstorm produced a wind gust to 59 mph at Big Sandy 16WNW. |
| August 2014 | Thunderstorm Wind | Big Sandy | - | High wind gusts, measuring 50KT (58 MPH), were reported in Big Sandy, MT. |
| May 2014 | Hail | Big Sandy | - | Hail 0.75 inches (penny sized) reported in Big Sandy, MT. |
| August 2013 | Thunderstorm Wind | Big Sandy | - | High winds measuring 60KT (69MPH) were reported 1 mile NE of Big Sandy, MT. |
| August 2013 | Thunderstorm Wind | Big Sandy | - | High winds measuring 58KT (67MPH) were reported 13 miles W of Big Sandy, MT. |
| August 2013 | Thunderstorm Wind | Big Sandy | - | High winds measuring 60KT (69MPH) were reported 1 mile SE of Big Sandy. |
| June 2012 | Hail | Big Sandy | - | Half dollar sized hail, measuring 1.25 inches, was reported 8 miles W of Big Sandy. |
| July 2011 | Hail | Big Sandy | - | A thunderstorm dropped 1 inch diameter hail at Big Sandy 14SE. |
| July 2011 | Thunderstorm Wind | Big Sandy | - | A thunderstorm produced a wind gust to 65 mph at Big Sandy 17W. |
| August 2010 | Hail | Big Sandy | - | A thunderstorm dropped 1 inch diameter hail at Big Sandy 5NNE. |
| July 2009 | Hail | Big Sandy | - | A severe thunderstorm dropped 1.75 inch diameter hail at Big Sandy 28SE. |
| July 2009 | Thunderstorm Wind | Big Sandy | - | A thunderstorm produced a wind gust to 85 mph at Big Sandy. |
| July 2008 | Thunderstorm Wind | Big Sandy | - | A severe thunderstorm produced a wind gust to 70 mph at Big Sandy. |
| June 2008 | Thunderstorm Wind | Big Sandy | - | A severe thunderstorm produced a wind gust to 60 mph at Big Sandy 6N. |
| June 2007 | Hail | Big Sandy | - | A severe thunderstorm dropped 1 inch diameter hail at Big Sandy 4W. |
| June 2007 | Thunderstorm Wind | Big Sandy | - | A severe thunderstorm produced a wind gust to 70 mph at Big Sandy 6N. The storm also produced between 0.50 and 0.75 inches of rain in 20 minutes. |
| July 2007 | Hail | Big Sandy | - | A severe thunderstorm dropped 1.25 inch diameter hail at Big Sandy 20SSE. |
| July 2007 | Hail | Big Sandy | - | A severe thunderstorm dropped .88 inch diameter hail at Big Sandy 25SE. |
| May 2007 | Thunderstorm Wind | Big Sandy | - | A severe thunderstorm produced a wind gust to 70 mph at Big Sandy 6N. |
| May 2001 | Thunderstorm Wind | Big Sandy | - | Big Sandy spotter. |
| June 2001 | Thunderstorm Wind | Big Sandy | - | Actual spotter location is Big Sandy 6 N. |
| July 2006 | Thunderstorm Wind | Big Sandy | - | no account filed |
| August 2005 | Hail | Big Sandy | - | no account filed |
| June 2004 | Thunderstorm Wind | Big Sandy | - | no account filed |
| June 2004 | Thunderstorm Wind | Big Sandy | - | no account filed |
| August 2004 | Hail | Big Sandy | - | no account filed |
| August 2004 | Hail | Big Sandy | - | no account filed |
| June 2003 | Thunderstorm Wind | Big Sandy | - | no account filed |
| September 2000 | Hail | Big Sandy | - | no account filed |
| September 2000 | Hail | Big Sandy | - | no account filed |
| September 1999 | Thunderstorm Wind | Big Sandy | - | no account filed |
| August 1999 | Hail | Big Sandy | - | no account filed |
| September 1998 | Thunderstorm Wind | Big Sandy | - | no account filed |
| June 1997 | Hail | Big Sandy | - | no account filed |
| June 1996 | Hail | Big Sandy | - | no account filed |
| July 1994 | Hail | Big Sandy | - | no account filed |
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.
Sources for this property
| National Archives record | The nomination case file for reference 74001094 in Record Group 79. |
| Chouteau County | All 20 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.
- 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.