McMaster Ranch Historic District

Listed on the National Register of Historic Places in 2021.

From the record

One of 11 National Register listings published here for Broadwater County · listed in 2021 · category: District.

Sources: the National Register database, National Park Service

The listing

Address. 6043 US 12/287 East, East Helena, 59647
When was it listed? November 2021
Category. district
Census division. Townsend West
National Register reference number. 100007169 - assigned by the National Park Service when the property was listed.

Fires near this property

31 since 1992

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 31 fires within 5 miles of McMaster Ranch Historic District between 1992 and 2020, burning about 164 acres in total. 9 started naturally. 1 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
Railroad operations and maintenance	9
Natural	9
Missing data/not specified/undetermined	7
Equipment and vehicle use	2
Arson/incendiarism	1
Debris and open burning	1
Recreation and ceremony	1
Other causes	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
6 September 2020	Missing data/not specified/undetermined	under an acre	Helena - Lewis and Clark National Forest	POLE CREEK
24 September 1999	Railroad operations and maintenance	6.0 acres	Central Land Office	MRL MMP 226.5
13 September 1992	Missing data/not specified/undetermined	2.0 acres	Central Land Office	SPOKANE BENCH
31 August 2011	Natural	3.0 acres	Butte Field Office	WEST SHORE
2 August 1999	Natural	1.0 acres	Butte Field Office	SPOKANEHIL
1 August 1996	Natural	under an acre	Central Land Office	SPOKANE BENCH
31 July 2000	Railroad operations and maintenance	under an acre	Helena - Lewis and Clark National Forest	RAILROAD
31 July 1994	Natural	4.0 acres	Helena - Lewis and Clark National Forest	not named

Every fire recorded in Broadwater County

Mines and quarries near this property

10 of 28 shown

Regional context, not property-specific evidence. The federal mineral resources record lists 28 workings within 5 miles of McMaster Ranch Historic District: 15 occurrences, 6 past producers, 6 unknowns, 1 plant. 1 still produces. What was taken out: Gold, Uranium, Tungsten, Silver. 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
Beaver Creek	Titanium, Uranium	Unknown
Dobler	Lead, Copper, Gold, Silver	Past Producer
Dolly Boy	Gold, Lead, Silver	Occurrence
Grubstake	Gold, Lead, Silver, Copper	Past Producer
Kelly No. 1 Mine	Gold, Zinc, Silver, Lead	Unknown
Montana City Quarry	Limestone, General	Plant
The Big Deal Mine	Iron	Past Producer
Unnamed Location	Clay	Occurrence
Acme Mine	Gold, Silver	Occurrence
Dobler Mine	Gold, Lead	Past Producer

Every working recorded in Broadwater 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

2 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
	Spokane Hill Airway Beacon	1.3 miles	2021
	Spokane Hill Airway Beacon	1.4 miles	2021

Sources for this property

National Archives record	The nomination case file for reference 100007169 in Record Group 79.
Broadwater County	All 11 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.