Otho Mining District

Listed on the National Register of Historic Places in 2004.

From the record

One of 59 National Register listings published here for Pennington County · listed in 2004 · category: District.

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

The listing

Address. 13380 Greyhound Gulch, Otho, 57744
When was it listed? December 2004
Category. district
National Register reference number. 04001365 - 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

289 since 1992

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 289 fires within 5 miles of Otho Mining District between 1992 and 2020, burning about 1,034 acres in total. 119 started naturally. 3 were 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	119
Recreation and ceremony	55
Debris and open burning	51
Missing data/not specified/undetermined	27
Equipment and vehicle use	11
Fireworks	10
Power generation/transmission/distribution	7
Arson/incendiarism	3
Other causes	2
Misuse of fire by a minor	2
Smoking	1
Railroad operations and maintenance	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 2003	Natural	1.0 acres	Black Hills National Forest	GRIZZLY BEAR
8 September 2003	Natural	under an acre	South Dakota Wildland Fire Suppression	not named
8 September 2002	Natural	under an acre	South Dakota Wildland Fire Suppression	BURROW RIDGE
8 September 2000	Equipment and vehicle use	under an acre	South Dakota Wildland Fire Suppression	COOLIDGE
8 September 1998	Natural	under an acre	South Dakota Wildland Fire Suppression	HUGO
6 September 2001	Natural	under an acre	Mount Rushmore National Memorial	LONE PINE
6 September 1994	Recreation and ceremony	under an acre	Black Hills National Forest	GOVERNMENT PASTURE
5 September 2010	Natural	1.1 acres	Black Hills National Forest	GHOST

Every fire recorded in Pennington County

Mines and quarries near this property

10 of 118 shown

Regional context, not property-specific evidence. The federal mineral resources record lists 118 workings within 5 miles of Otho Mining District: 85 past producers, 15 occurrences, 12 prospects, 5 producers. 5 still produce. What was taken out: Feldspar, Beryllium, Gold, 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	Recorded
Bullion Mine Pennington County	Gold, Silver, Arsenic	Past Producer	1877, 1930
Cuyahoga Mine	Sulfur-Pyrite, Tin	Past Producer	1917
Dakota Quartz Plant	Stone, Feldspar	Producer
Dan Patch Group	Feldspar, Mica, Beryllium, Tantalum, Zinc	Past Producer	1905
Edison Mine	Lithium, Mica, Feldspar, Beryllium, Tantalum	Past Producer	1917
Edison Mine	Tantalum, Niobium (Columbium)	Past Producer
Egyptian Group	Gold, Silver, Zinc	Past Producer	Chalcopyrite, Gold, Pyrrhotite, Silver, Sphalerite
Etta Spodumene Mine	Feldspar, Mica, Lithium, Tin, Beryllium, Tantalum, Tungsten	Past Producer	1898
Eureka	Mica, Beryllium, Feldspar	Occurrence	Beryl, Feldspar, Muscovite
Gilt Edge Mica Mine	Mica, Beryllium	Past Producer	Beryl, Muscovite

Every working recorded in Pennington 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
Lewis Byron House	3.5 miles	1982
Keystone School	4.0 miles	1981
Keystone Trading Company Store	4.1 miles	1982
Mount Rushmore National Memorial	4.3 miles	1966
Civilian Conservation Corp Camp F-10	7.3 miles	2004
Burlington and Quincy High Line Hill City to Keystone Branch	7.5 miles	2003

Sources for this property

National Archives record	The nomination case file for reference 04001365 in Record Group 79.
Pennington County	All 59 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.