From the record
One of 90 National Register listings published here for Missoula County · listed in 1992 · category: Building.
Sources: the case file at the National Archives · the National Register database, National Park Service
Listed on the National Register of Historic Places in 1992.
One of 90 National Register listings published here for Missoula County · listed in 1992 · category: Building.
Sources: 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 157 fires within 5 miles of Potomac School between 1992 and 2020, burning about 144 acres in total. 54 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 |
|---|---|
| Natural | 54 |
| Missing data/not specified/undetermined | 47 |
| Debris and open burning | 36 |
| Recreation and ceremony | 7 |
| Equipment and vehicle use | 6 |
| Power generation/transmission/distribution | 2 |
| Other causes | 2 |
| Fireworks | 1 |
| Misuse of fire by a minor | 1 |
| Smoking | 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 |
|---|---|---|---|---|
| 9 September 2015 | Missing data/not specified/undetermined | under an acre | Missoula Field Office | RED ROCKS |
| 7 September 2014 | Natural | under an acre | Southwestern Land Office | ARKANSAS CREEK |
| 7 September 1997 | Natural | 4.0 acres | Southwestern Land Office | MORRISON PEAK #2 |
| 4 September 2005 | Equipment and vehicle use | under an acre | Southwestern Land Office | not named |
| 23 September 2007 | Debris and open burning | under an acre | Southwestern Land Office | not named |
| 20 September 1992 | Missing data/not specified/undetermined | under an acre | Southwestern Land Office | BULLPINE II |
| 20 September 1992 | Missing data/not specified/undetermined | 1.5 acres | Southwestern Land Office | WEST BEAR CREEK |
| 19 September 1993 | Missing data/not specified/undetermined | 1.0 acres | Southwestern Land Office | SWANSON MEADOWS |
Regional context, not property-specific evidence. The federal mineral resources record lists 13 workings within 5 miles of Potomac School: 11 past producers, 1 occurrence, 1 unknown. None of them still produces. What was taken out: Lead, Lead, Silver, Copper, Gold, Zinc, Gold. 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 |
|---|---|---|---|---|
| Adaline Mine | Lead, Copper, Silver, Gold | Past Producer | Chalcopyrite, Galena, Gold, Specularite | |
| Adeline | Copper | Past Producer | ||
| Charcoal Mine | Lead, Zinc | Past Producer | ||
| Chester | Lead, Silver, Gold | Past Producer | Contact Metasomatic | |
| Copper King | Lead, Copper, Gold, Silver, Zinc | Unknown | ||
| Daisy | Lead, Silver | Past Producer | ||
| Daisy Mine | Lead, Silver, Gold, Copper | Past Producer | Chalcopyrite, Galena, Gold | |
| Mcdonald-Southerland Prospect | Copper, Lead, Zinc | Occurrence | ||
| Mongar Mine | Copper, Silver, Lead | Past Producer | ||
| Shawbut | Zinc, Silver, Lead | Past Producer |
Regional context, not property-specific evidence. The National Weather Service names Potomac, the town this property stands in, in 5 storm reports between 2004 and 2024: 4 hail, 1 thunderstorm wind. 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 | Thunderstorm Wind | Potomac | $10,000 | Several large, mature trees were uprooted. One tree landed on a car in Johnsrud Park and completely crushed it. Windspeed estimated from Beaufort Scale. |
| June 2022 | Hail | Potomac | - | A Facebook report of half dollar size hail just west of Potomac. |
| July 2021 | Hail | Potomac | - | A severe thunderstorm developed close to Clinton, MT, and began a slow movement to the northeast over the next hour and 30 minutes. During that time two different spotters reported 1 hail. |
| July 2022 | Hail | Potomac | - | no account filed |
| July 2004 | Hail | Potomac | - | 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.
| National Archives record | The nomination case file for reference 92000244 in Record Group 79. |
| Missoula County | All 90 listed properties in this county. |