Swan Lake Rock House Historic District

Listed on the National Register of Historic Places in 1984.

From the record

“The Swan Lake Rock House Historic District is a historic district listed on the National Register of Historic Places located southeast of Boulder, Montana. It was added to the Register on August 1, 1984.”
Wikipedia article Swan Lake Rock House Historic District, CC BY-SA 4.0.

One of 9 National Register listings published here for Lake County · listed in 1984 · category: District.

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

The listing

Address. Off MT 83, Swan Lake, 59911
When was it listed? August 1984
Category. district
Census division. Woods Bay-Rollins
National Register reference number. 84002485 - 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

68 since 1992

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 68 fires within 5 miles of Swan Lake Rock House Historic District between 1992 and 2020, burning about 18 acres in total. 31 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	31
Missing data/not specified/undetermined	9
Recreation and ceremony	8
Debris and open burning	6
Power generation/transmission/distribution	5
Smoking	4
Equipment and vehicle use	4
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
9 September 1995	Smoking	under an acre	Flathead National Forest	SIX MILE ()
8 September 2000	Power generation/transmission/distribution	under an acre	Flathead National Forest	DEER LICK
5 September 2020	Missing data/not specified/undetermined	under an acre	Northwestern Land Office	BUG
4 September 2010	Natural	under an acre	Northwestern Land Office	SWAN RIVER
4 September 2010	Natural	under an acre	Lost Trail Wildlife Refuge	SWAN RIVER
21 September 2015	Equipment and vehicle use	under an acre	Northwestern Land Office	SWAN COVE DRIVE
2 September 2020	Debris and open burning	under an acre	Flathead National Forest	6 MILE
2 September 2007	Natural	under an acre	Flathead National Forest	HENRY CREEK

Every fire recorded in Lake County

Mines and quarries near this property

3 within 5 miles

Regional context, not property-specific evidence. The federal mineral resources record lists 3 workings within 5 miles of Swan Lake Rock House Historic District: 2 occurrences, 1 unknown. None of them still produces. What was taken out: Copper, Silver, Copper, Silver, 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.

Site	Commodity	Status	Recorded
Gravel Pits	Sand and Gravel, Construction	Unknown
Swan Lake Copper - Silver Occurrence	Copper, Silver	Occurrence	Malachite
Unamed Location	Copper, Silver	Occurrence

Every working recorded in Lake County

Storms near this property

8 since 1993

Regional context, not property-specific evidence. The National Weather Service names Swan Lake, the town this property stands in, in 8 storm reports between 1993 and 2024: 6 thunderstorm wind, 1 heavy rain, 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 1993	Thunderstorm Wind	Swan Lake	$500,000	Many trees were blown down with the loss of power and telephone.
May 1994	Thunderstorm Wind	Swan Lake	$50,000	no account filed
July 2008	Thunderstorm Wind	Swan Lake	$8,000	Sheriff reported 30 trees blown down over Highway 83 10 miles northwest of Condon.
July 2010	Thunderstorm Wind	Swan Lake	$6,000	The Lake County Emergency Manager reported trees blown down on Highway 35 near Blue Bay along Flathead Lake.
July 2008	Thunderstorm Wind	Swan Lake	$5,000	Public reported widespread tree damage near Lion Creek northeast of Condon. Many spruce trees 1.5 feet in diameter snapped.
August 2024	Hail	Swan Lake	-	The public measured 1.5 inch hail near Ferndale east of Big Fork.
June 2012	Thunderstorm Wind	Swan Lake	-	The highway department reported several trees blown down across highway MT-83 near mile marker 48.
October 2012	Heavy Rain	Swan Lake	-	A spotter measured 0.34 inch rainfall in 1 hour.

Every storm recorded in Lake 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

1 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.

Photograph	Property	Distance	Listed
	Kootenai Lodge Historic District	6.0 miles	1984

Sources for this property

National Archives record	The nomination case file for reference 84002485 in Record Group 79.
Wikipedia article	Community-written account of this property, licensed CC BY-SA.
Lake County	All 9 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.