South Superior Union Hall

Built in 1921. Listed on the National Register of Historic Places in 1983.

From the record

“The South Superior Union Hall was built in 1921 in the southern part of what is now Superior, Wyoming. The hall was built by six locals of the United Mine Workers to accommodate union and community activities in the coal-mining community of Superior, and bears the UMWA logo on its pediment, and the inscription Union Hall over the entrance.”
Wikipedia article South Superior Union Hall, CC BY-SA 4.0.

One of 28 National Register listings published here for Sweetwater County · listed in 1983 · category: Building · built in 1921.

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 1 building as contributing to the listing.
Address. Main and Bridge Sts., South Superior, 82945
When was it listed? November 1983
Category. building
Census division. Rock Springs North
When was it built? 1921
National Register reference number. 83004305 - 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

8 since 2001

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 8 fires within 5 miles of South Superior Union Hall between 2001 and 2019, burning about 98 acres in total. 4 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	4
Missing data/not specified/undetermined	3
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
30 September 2001	Natural	3.5 acres	Rock Springs Field Office	BIG BULL
20 September 2009	Natural	2.9 acres	Rock Springs Field Office	SUPERIOR
22 August 2005	Other causes	under an acre	Rock Springs Field Office	COPPER
6 July 2019	Natural	4.2 acres	Rock Springs Field Office	SUPERIOR
21 June 2013	Missing data/not specified/undetermined	62 acres	Rock Springs Field Office	SUPERIOR
17 June 2012	Natural	1.0 acres	Rock Springs Field Office	SUPERIOR SOUTH
17 May 2012	Missing data/not specified/undetermined	under an acre	Rock Springs Field Office	SUPERIOR
13 April 2002	Missing data/not specified/undetermined	25 acres	Rock Springs Field Office	ASSIST 2

Every fire recorded in Sweetwater County

Mines and quarries near this property

10 of 15 shown

Regional context, not property-specific evidence. The federal mineral resources record lists 15 workings within 5 miles of South Superior Union Hall: 6 occurrences, 3 past producers, 3 prospects, 2 producers. 2 still produce. What was taken out: Uranium, Stone, Crushed/Broken, Potassium, Potash, 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
Unknown	Pumice	Unknown
Leucite Quarry	Sand and Gravel, Construction	Producer
State Highway Dept	Sand and Gravel, Construction	Past Producer
Emmon's Cone	Potassium, Potash	Prospect	Leucite
Osborn Mesa	Potassium, Potash	Prospect	Leucite
State Highway Department ledge rock quarry	Stone, Crushed/Broken	Producer
State Highway Dept	Stone, Crushed/Broken	Past Producer
Unknown (Commercial gravel pit or aggregate operation)	Stone, Crushed/Broken	Past Producer
Zirkel Mesa	Potassium, Potash	Prospect	Leucite
Mud No. 1 and No. 2 Claims	Uranium	Occurrence

Every working recorded in Sweetwater 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.

Sources for this property

National Archives record	The nomination case file for reference 83004305 in Record Group 79.
Wikipedia article	Community-written account of this property, licensed CC BY-SA.
Sweetwater County	All 28 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.