Parent Layer:
Washington County Geology
Name: Washington_County_2022_SurficialGeologicDeposits
Display Field: MapUnit
Type: Feature Layer
Geometry Type: esriGeometryPolygon
Description: This layer contains data concerning the location and characteristics of unconsolidated Quaternary deposits within Washington county. This geodatabase contains geologic data from Washington County, Maryland. Data from several geologic quadrangles and two regional scale geologic maps were incorporated into the regional scale geologic feature classes in this geodatabase. Because of the scale of this map, some features were generalized slightly from the quad scale data. Additionally, some corrections were made for accuracy, such as edge matching to resolve "border faults". The source data for this map and geodatabase come from maps published by the Maryland Geological Survey from 2001 to the present, as well as one map published in cooperation with the United States Geological Survey. The source maps are Buckeystown (2001), Catoctin Furnace (2004), Frederick (2004), New Windsor (2004), Point of Rocks (2004), Walkersville (2004), Woodsboro (2004), Middletown (2005), Union Bridge (2006), Funkstown (2009), Keedysville, Shepherdstown, Charlestown, and Harpers Ferry (2009), Myersville and Smithsburg (2009), Hagerstown (2013), Mason and Dixon (2013), Clear Spring and Hedgesville (2014), Williamsport (2014), Blue Ridge Summit (2021, in review), Emmitsburg and Taneytown (2021, in review), all 1:24000 quadrangle scale, as well as portions of two regional maps: Geologic Map of Garrett, Allegany, and Western Washington Counties, Maryland (2013), and Geologic Map of the Frederick 30' x 60' Quadrangle, Maryland, Virginia, and West Virginia (USGS, 2007). The GIS data from the referenced maps were mosaiced in Arc Map, corrected for accuracy across quad boundaries, merged to form a continuous dataset and clipped to the extent of Washington County. Feature level metadata are included, which contain field descriptions for each feature class. This is a small scale dataset, appropriate for 1:100,000 regional scale. Quad scale data are suggested for display or analysis that requires a larger scale. This dataset is prepared for compliance with the USGS GeMS database standard. Last Updated: 06/01/2022
Copyright Text: MD iMAP, MGS, DNR, Production of this digital geologic map and processing this geodatabase in the USGS GeMS standard was funded in part by the USGS.
Default Visibility: true
MaxRecordCount: 65000
Supported Query Formats: JSON, geoJSON
Min Scale: 500000
Max Scale: 50000
Supports Advanced Queries: true
Supports Statistics: true
Has Labels: false
Can Modify Layer: true
Can Scale Symbols: false
Use Standardized Queries: true
Supports Datum Transformation: true
Extent:
XMin: -8723325.5513
YMin: 4768097.6677
XMax: -8625606.0006
YMax: 4825709.047399998
Spatial Reference: 102100
(3857)
Drawing Info:
Renderer:
Unique Value Renderer:
Field 1: MapUnit
Field 2: null
Field 3: null
Field Delimiter: ,
Default Symbol:
Default Label: null
UniqueValueInfos:
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Label: Qal
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Label: Qc
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Labeling Info:
Advanced Query Capabilities:
Supports Statistics: true
Supports OrderBy: true
Supports Distinct: true
Supports Pagination: true
Supports TrueCurve: true
Supports Returning Query Extent: true
Supports Query With Distance: true
Supports Sql Expression: true
Supports Query With ResultType: false
Supports Returning Geometry Centroid: false
HasZ: false
HasM: false
Has Attachments: false
HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText
Type ID Field: null
Fields:
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OBJECTID
(
type: esriFieldTypeOID, alias: OBJECTID
)
-
Shape
(
type: esriFieldTypeGeometry, alias: Shape
)
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MapUnit
(
type: esriFieldTypeString, alias: Map Unit, length: 254
)
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Notes
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type: esriFieldTypeString, alias: Notes, length: 254
)
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Observations
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type: esriFieldTypeString, alias: Observations, length: 50
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Shape.STArea()
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type: esriFieldTypeDouble, alias: Shape.STArea()
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Shape.STLength()
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type: esriFieldTypeDouble, alias: Shape.STLength()
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Supported Operations:
Query
Generate Renderer
Return Updates
Iteminfo
Thumbnail
Metadata