Layers:

Layer: TailingsLocations_CRMS_2012_NDEP (59)


Name: TailingsLocations_CRMS_2012_NDEP

Display Field: TailingsName

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This feature class contains Comstock-era tailings locations throughout Operable Unit 1 (OU1) of the Carson River Mercury Site (CRMS) within Lyon and Storey Counties, Nevada. Piedmont Engineering was contracted by NDEP to conduct an archeological survey of Comstock-era mining and milling features. These locations were obtained in order to define the investigation area boundaries of the Carson River Mercury Site. The field survey took place in 1993; NDEP later created the geospatial data representing the surveyed features. Additional features were added by NDEP using historical documents and aerial imagery. The hardcopy Piedmont Engineering maps of Comstock-era mills and tailings sites were georeferenced by NDEP. Tailings polygons were digitized in ArcGIS Desktop. The original hardcopy maps were drawn at a scale of 1:2400 (written as 1" = 200' in the maps). Metadata

Copyright Text: NDEP Bureau of Corrective Actions, Piedmont Engineering

Min. Scale: 0

Max. Scale: 0

Default Visibility: true

Max Record Count: 2000

Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

Extent:

XMin: -13319173.8757061
YMin: 4753646.32618774
XMax: -13309427.5787642
YMax: 4767611.43547574
Spatial Reference: 102100 (3857)


Drawing Info:

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HasZ: false

HasM: false

Has Attachments: false

Has Geometry Properties: true

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Object ID Field: OBJECTID

Unique ID Field:

Name : OBJECTID

IsSystemMaintained : True


Global ID Field:

Type ID Field:

Fields:
• OBJECTID (type: esriFieldTypeOID, alias: OBJECTID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
• TailingsName (type: esriFieldTypeString, alias: TailingsName, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true)
• Comment (type: esriFieldTypeString, alias: Comment, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true)
• Shape__Area (type: esriFieldTypeDouble, alias: Shape__Area, SQL Type: sqlTypeDouble, nullable: true, editable: false)
• Shape__Length (type: esriFieldTypeDouble, alias: Shape__Length, SQL Type: sqlTypeDouble, nullable: true, editable: false)

Templates:

Name: TailingsLocations_CRMS_2012_NDEP
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:


Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 2/8/2023 6:11:52 PM

Schema Last Edit Date: 2/8/2023 6:11:52 PM

Data Last Edit Date: 5/25/2022 8:37:32 PM