Twaddle-Pedroli Ranch

Listed on the National Register of Historic Places in 2000.

From the record

“The Twaddle-Pedroli Ranch, also known as the Jackson-Harp Ranch, Rand Property and the Wilson Commons Ranch, was purchased by John Twaddle in 1869 for $5,000. The ranch, several miles to the north of Franktown, Nevada and adjacent to the Bowers Mansion, was then known as the Sturtevant Ranch.”
Wikipedia article Twaddle-Pedroli Ranch, CC BY-SA 4.0.

One of 83 National Register listings published here for Washoe County · listed in 2000 · category: District.

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

The listing

What is counted as historic. The nomination lists 6 buildingss, 1 structure as contributing to the listing.
Listed as. Twaddle--Pedroli Ranch - the National Register files a house under its owner's surname.
Address. 4970 Susan Lee Circle, Washoe Valley, 89704
When was it listed? April 2000
Category. district
Census division. Washoe Valley
National Register reference number. 00000340 - 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

79 since 1992

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 79 fires within 5 miles of Twaddle-Pedroli Ranch between 1992 and 2020, burning about 7,344 acres in total. 29 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
Natural	29
Missing data/not specified/undetermined	19
Recreation and ceremony	13
Debris and open burning	6
Power generation/transmission/distribution	5
Equipment and vehicle use	5
Arson/incendiarism	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
5 September 2017	Natural	under an acre	Truckee Meadows Fire Protection District	POLECAT
4 September 1995	Recreation and ceremony	under an acre	Lake Tahoe Basin Management Unit	TIROL
3 September 1997	Natural	under an acre	Carson City District Office	MOUNDHOUSE
3 September 1994	Recreation and ceremony	under an acre	Humboldt-Toiyabe National Forest	USFS 068
21 September 2003	Power generation/transmission/distribution	under an acre	Lake Tahoe Basin Management Unit	SWEETWATER
2 September 2018	Equipment and vehicle use	64 acres	Humboldt-Toiyabe National Forest	SLIDE
13 September 2020	Power generation/transmission/distribution	1.0 acres	Carson City District Office	EAST LAKE
13 September 2013	Natural	under an acre	Humboldt-Toiyabe National Forest	BROWNS CREEK

Every fire recorded in Washoe County

Mines and quarries near this property

10 of 14 shown

Regional context, not property-specific evidence. The federal mineral resources record lists 14 workings within 5 miles of Twaddle-Pedroli Ranch: 7 occurrences, 6 past producers, 1 unknown. None of them still produces. What was taken out: Gold, Tungsten, Uranium, 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
Denver Mine	Gold, Silver	Occurrence	Vein
Denver Mine	Gold, Silver	Past Producer
Ellen B. Property	Gold, Tungsten, Silver, Lead, Copper	Past Producer
Freiberg Mine	Lead, Zinc, Silver	Past Producer
Jumbo Pit	Sand and Gravel, Construction	Past Producer
Lucky Strike Group	Uranium	Occurrence
NBMG Sample Site 4321	Lead, Zinc, Silver	Occurrence	Galena
Ellen B	Tungsten	Occurrence	Scheelite
Tungsten Occurrence	Tungsten	Occurrence
Unnamed Tungsten	Tungsten	Occurrence	Scheelite

Every working recorded in Washoe 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

6 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.

Property	Distance	Listed
Bowers Mansion	1.2 miles	1976
Old Winters Ranch/Winters Mansion	3.1 miles	1974
Walter Cliff Ranch District	3.2 miles	1985
Galena Creek Schoolhouse	6.5 miles	2011
Whittell Estate	7.9 miles	2000
Alamo Ranchhouse	7.9 miles	1979

Sources for this property

National Archives record	The nomination case file for reference 00000340 in Record Group 79.
Wikipedia article	Community-written account of this property, licensed CC BY-SA.
Washoe County	All 83 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.