RockWoof
Check access before you go. Most sites listed here are old mines, quarries or prospects, and many are on private land or active mining claims. Get the landowner's permission, check the rules of the agency that manages any public land, and never enter mine workings. Locations are approximate.

Sketch map

American Uptton Mill (Producer)Federal Upton Mill (Producer)Thornton Dome (Occurrence)Upton #2 (Unknown)Pine Ridge + 1 more nearby (Unknown)Owens Draw (Occurrence)Beaver Creek (Occurrence)Farclin ? (Prospect)Upton Bentonite Mine (Occurrence)Jerome Area (Unknown)Imoorcroft - Upton - Osage (Producer)Turner Creek + 1 more nearby (Occurrence)Osage (Occurrence)Farley No.1 + 2 more nearby (Prospect)Pedro Area #2 + 1 more nearby (Unknown)Near Pedro + 1 more nearby (Occurrence)Goodson Prop No 1 + 1 more nearby (Occurrence)Salt Creek (Prospect)Rushmore Clareton U. Prop. (Occurrence)Sheep Creek + 1 more nearby (Occurrence)Alray Uranium Mine + 2 more nearby (Occurrence)Wicker-Baldwin Prospect + 1 more nearby (Past Producer)
Past ProducerProducerProspectOccurrenceStatus unknown
22 paw pins; nearby sites are grouped into one pin. Hover or tap a pin for the site name. 9 site(s) with USGS coordinates outside the outline are not pinned. County outline: US Census Bureau cartographic boundary file (2023). Locations approximate.

Field cards: what kind of sites?

16
Unknown

Status not recorded.

14
Occurrence

The mineral was noted here, without development.

5
Prospect

Explored or test-dug, with no recorded production.

4
Producer

Was producing when the record was made.

3
Past Producer

Produced ore or material at some point in the past.

Status terms come from USGS MRDS records.

Minerals recorded here

Bentonite 1Metatyuyamunite 1

Commodities

Uranium 21Bentonite 19Salt 1Zeolites 1

Sites (first 40)

SiteCommodityMinerals recordedStatusApprox. location
Imoorcroft - Upton - OsageBentoniteBentoniteProducer44.033, -104.534
Wicker-Baldwin ProspectUraniumMetatyuyamunitePast Producer43.624, -104.069
Alray Uranium MineUranium—Occurrence43.628, -104.094
Sunny DivideUranium—Unknown44.474, -104.711
Sheep CreekBentonite—Occurrence43.532, -104.133
Homestake 2Uranium—Unknown44.466, -104.755
Federal Upton MillBentonite—Producer44.111, -104.663
Pine RidgeBentonite—Unknown44.075, -104.592
Turner CreekBentonite—Occurrence44.011, -104.507
Upton #1Bentonite—Unknown44.087, -104.598
Elk Mountain (uranium)Uranium—Past Producer43.619, -104.081
Thornton DomeBentonite—Occurrence44.070, -104.689
Homestake Pit No. 1Uranium—Unknown44.764, -104.880
Homestake Pit No. 5Uranium—Unknown44.764, -104.880
Salt CreekSalt—Prospect43.991, -104.184
Goodson Prop No 1Uranium—Occurrence43.980, -104.251
Pedro Area #2Bentonite—Unknown43.907, -104.366
Osage,Clay Spur QuarriesBentonite—Producer44.010, -104.486
Upton Bentonite MineBentonite—Occurrence44.136, -104.537
Homestake Pit No. 2Uranium—Unknown44.764, -104.880
Goodson Prop No 2Uranium—Occurrence43.962, -104.243
Farley No.1Uranium—Prospect44.083, -104.408
Near PedroZeolites—Occurrence43.892, -104.330
Homestake Pit No. 4Uranium—Unknown44.779, -104.882
HeetlandUranium—Unknown44.674, -104.094
Farley No.2Uranium—Prospect44.083, -104.427
Homestake Pit No. 3Uranium—Unknown44.779, -104.882
Upton #2Bentonite—Unknown44.126, -104.649
Owens DrawBentonite—Occurrence44.085, -104.568
Jerome AreaBentonite—Unknown44.114, -104.526
Farclin ?Uranium—Prospect43.976, -104.582
Beaver CreekBentonite—Occurrence44.012, -104.569
MyersUranium—Unknown44.474, -104.711
Farley No.3Uranium—Prospect44.067, -104.408
Rushmore Clareton U. Prop.Uranium—Occurrence43.881, -104.208
OsageBentonite—Occurrence44.017, -104.458
Pedro Area #1Bentonite—Occurrence43.892, -104.330
American Uptton MillBentonite—Producer44.131, -104.666
Lucky Strike Bentonite MineBentonite—Unknown43.508, -104.112
Pedro Area #3Bentonite—Unknown43.921, -104.346

Fossil collections

The Paleobiology Database lists 31 fossil collection records in Weston County. These are research records, not public dig sites.

Nearby counties

Crook County · Campbell County · Niobrara County · Converse County · Goshen County

Wyoming mineral guides

Back to all Wyoming counties.

Related articles

How we built this page: we counted named sites in the USGS Mineral Resources Data System (MRDS) for this area, left out sand, gravel, crushed stone, clay pits and unnamed sites, grouped them by Census county, and linked every site to its USGS record. We did not visit these sites, and MRDS does not tell you who owns the land or whether collecting is allowed.

Source: USGS Mineral Resources Data System (MRDS). USGS ceased systematic updates to MRDS around 2011, so status and details may be out of date. Each site links to its USGS record.

Updated