20250814
15573400
1.0
FGDC
002
Mills
-12068181.363100
-11747018.556500
5018159.747800
5353627.504200
1
Projected
GCS_WGS_1984
Linear Unit: Meter (1.000000)
WGS_1984_Web_Mercator_Auxiliary_Sphere
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20250807
15403300
FALSE
20250807
15403300
Layer contains location and details for all conventional mills and other ore processing facilities. It is symbolized by type and includes attributes such as operator, years in operation, and capacity information.
Mills
2025-01-01T00:00:00
Data Release
2025-29
vector digital data
Suggested citation:
Kehoe, K.S., Carter, N.Y., and Jensen, C.G., 2025, Wyoming uranium resources database: Wyoming State Geological Survey Data Release 2025-29, https://doi.org/10.15786/wyoscholar/10112
Kelsey S. Kehoe
Natalie Y. Carter
Collin G. Jensen
Wyoming State Geological Survey
Wyoming State Geological Survey
Laramie, WY
-108.410318
-105.525263
43.273062
41.039433
true
publication date
2025-01-01T00:00:00
-108.410318
-105.525263
43.273062
41.039433
1
Wyoming State Geological Survey
wsgs-info@wyo.gov
PO Box 1347
Laramie
WY
82073
US
307-745-2250
M-F 8 am - 5 pm Mountain Time
uranium mill
uranium processing
uranium ore
geoscientificInformation
Wyoming
Pumpkin Buttes
Gas Hills
Shirley Basin
Great Divide Basin
uranium mill
uranium processing
uranium ore
geoscientificInformation
ISO 19115 Topic Categories
This data release contains the digital data for the Wyoming uranium resources database. The data were created to provide a comprehensive collection of scientific and historic information about the geology of uranium deposits and the uranium industry in Wyoming in a geospatial format. The geodatabase includes the following layers: ConventionalMines, InSituRecoverySites, Mills, Occurrences, MiningDistricts, SpatialBibliography, and References.
Wyoming State Geological Survey
USE CONSTRAINTS: Users of these data are cautioned against using the data at scales different from those at which the data were compiled. Using these data at a larger scale will not provide greater accuracy and is, in fact, a misuse of the data. --- The Wyoming State Geological Survey (WSGS) and State of Wyoming make no representation or warranty, expressed or implied, regarding the use, accuracy, or completeness of the data presented herein, or from a map derived from these data. The act of distribution shall not constitute such a warranty. The WSGS does not guarantee the digital data or any map derived from the data to be free of errors or inaccuracies. --- The WSGS and State of Wyoming disclaim any responsibility or liability for interpretations made from these digital data or from any map derived from these digital data, and for any decisions based on the digital data or derivative maps. The WSGS and State of Wyoming retain and do not waive sovereign immunity. --- We request that credit be expressly given to the “Wyoming State Geological Survey” when citing information from this publication.
USE CONSTRAINTS: Users of these data are cautioned against using the data at scales different from those at which the data were compiled. Using these data at a larger scale will not provide greater accuracy and is, in fact, a misuse of the data. --- The Wyoming State Geological Survey (WSGS) and State of Wyoming make no representation or warranty, expressed or implied, regarding the use, accuracy, or completeness of the data presented herein, or from a map derived from these data. The act of distribution shall not constitute such a warranty. The WSGS does not guarantee the digital data or any map derived from the data to be free of errors or inaccuracies. --- The WSGS and State of Wyoming disclaim any responsibility or liability for interpretations made from these digital data or from any map derived from these digital data, and for any decisions based on the digital data or derivative maps. The WSGS and State of Wyoming retain and do not waive sovereign immunity. --- We request that credit be expressly given to the “Wyoming State Geological Survey” when citing information from this publication.
Esri ArcGIS 13.5.2.57366
Wyoming
Pumpkin Buttes
Gas Hills
Shirley Basin
Great Divide Basin
dataset
20250804
Wyoming State Geological Survey
wsgs-info@wyo.gov
PO Box 1347
Laramie
WY
82073
US
307-745-2250
M-F 8 am - 5 pm Mountain Time
File Geodatabase Feature Class
Wyoming State Geological Survey
wsgs-info@wyo.gov
PO Box 1347
Laramie
WY
82073
US
307-745-2250
M-F 8 am - 5 pm Mountain Time
None
https://www.wsgs.wyo.gov/pubs-maps/publication-search.aspx
EPSG
6.18.3(9.3.1.2)
Mills
Layer contains location and details for all conventional mills and other ore processing facilities.
WSGS
Feature Class
16
OBJECTID
Internal feature number.
Esri
Sequential unique whole numbers that are automatically generated.
OBJECTID
OID
4
0
0
Shape
Feature geometry.
Esri
Coordinates defining the features.
Shape
Geometry
0
0
0
Name
Name of mill or other processing facility.
WSGS
Name
String
500
0
0
AlternativeName
Other name(s) that mill or processing facility might have been known by (separated by | symbol).
WSGS
AlternativeName
String
500
0
0
AssociatedCompanies
Company or person that operated or owned mill or other processing facility (separated by | symbol). Number in parentheses represent the year(s) that company or person was the operator. In some cases, the parent company of the operating company was included and may not have years of operation noted.
WSGS
AssociatedCompanies
String
500
0
0
OperationNotes
Details about operation of mill or other processing facility, including idle periods, related Atomic Energy Commission history, sales types, etc.
WSGS
OperationNotes
String
10000
0
0
FirstProductionYear
First year of known production.
WSGS
FirstProductionYear
SmallInteger
2
0
0
MostRecentProductionYear
Last year of known production.
WSGS
MostRecentProductionYear
SmallInteger
2
0
0
InitialCapacity_tpd
Initial reported capacity of mill or other processing facility in tons of uranium ore per day (tpd). "NULL" if not known/no information available.
WSGS
InitialCapacity_tpd
Double
8
0
0
MaxCapacity_tpd
Maximum reported capacity of mill or other processing facility in tons of uranium ore per day (tpd). "NULL" if not known/no information available.
WSGS
MaxCapacity_tpd
Double
8
0
0
TotalOreProcessed_tons
Total tons of uranium ore that were input into the mill over the facility's lifespan. "NULL" if not known/no information available.
WSGS
TotalOreProcessed_tons
Double
8
0
0
TotalConcentrateProduced_lbsU3O8
Total amount of yellowcake produced in pounds triuranium octoxide (lbs U3O8). "NULL" if not known/no information available.
WSGS
TotalConcentrateProduced_lbsU3O8
Integer
4
0
0
HadAECContract
Did this mill have a contract with the U.S. Atomic Energy Commission (AEC), Y=yes or N=no.
WSGS
HadAECContract
String
255
0
0
AECContractPeriodStart
Month and year AEC contract started. "NULL" if facility did not have an AEC contract.
WSGS
AECContractPeriodStart
String
255
0
0
AECContractPeriodEnd
Month and year AEC contract ended. "NULL" if facility did not have an AEC contract.
WSGS
AECContractPeriodEnd
String
255
0
0
LicenseNumber
Source Uranium Authorization (SUA) license number issued by Nuclear Regulatory Commission (NRC) or Wyoming Department of Environmental Quality (WDEQ). License is for the possession, use, and/or transfer of uranium. "NULL" if not known/no information available.
WSGS
LicenseNumber
String
500
0
0
Status
Production status of the mill.
WSGS
Status
String
255
0
0
OperationReferences
List of references used to populate operations-related fields (separated by | symbol): Name, AlternativeName, AssociatedCompanies, LicenseNumber, production years, processing capacities, TotalOreProcessed, TotalConcentrateProduced, AEC contract details, Type, and OperationNotes.
WSGS
OperationReferences
String
10000
0
0
LocationConfidence
Confidence in position of point that represents the feature. Rated on a scale from A-F. Definitions of each rating: A - Site location is known, in which case Latitude and Longitude are reported; B - Site is located to PLSS QuarterQuarter, or up to 1/4 mile uncertainty; C - Site is located to PLSS Quarter, or between 1/4 to 1/2 mile uncertainty; D - Site is located to PLSS Section, or between 1/2 to 1 mile uncertainty; F - Site is poorly located, greater than 1 mile uncertainty, or located to a Township/Range.
WSGS
LocationConfidence
String
255
0
0
PLSS
Description of feature location using the Public Land Survey System (PLSS). Given for points with location confidence rated "B", "C", "D", or "F". "NULL" if location confidence is rated "A".
WSGS
PLSS
String
255
0
0
LocationSource
Description of the type of location information that was used to determine the best known location of the feature. Information was classified into three categories: Public Land Survey System description, Center point of disturbed area, or Center point of facilities.
WSGS
LocationSource
String
255
0
0
LocationReferences
List of references used to locate this feature (separated by | symbol).
WSGS
LocationReferences
String
10000
0
0
globalid
globalid
GlobalID
38
0
0
Type
Type of facility. A mill processes ore from surface or underground mines; an ore upgrader or concentrator processes ore into a more concentrated form (having a higher uranium content); and a heap leach site uses leaching to extract uranium.
WSGS
Type
String
255
0
0
16
ArcGIS Metadata
1.0
Simple
FALSE
16
TRUE
FALSE