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HEM/Flowline (FeatureServer)

View In:   ArcGIS Online Map Viewer

View Footprint In:   ArcGIS Online Map Viewer

Service Description: NHD High Base Map Service to support the HEM Web Editing tools. The map service functions as a base map layer for NHD featrure classes at a small scale. A minimum scale of 1:72,000 has been set on all the layers. The intention of the Map Service is to provide the following functinoality: display of NHD High data, Query NHD Features, snap layers when creating new HEM Events, Query NHDReachcodeMaintenance table to obtain ReachSMDate, and obtain m-values from the NHD flowlines.

All Layers and Tables

Has Versioned Data: false

MaxRecordCount: 1000

Supported Query Formats: JSON

Supports Query Data Elements:

Layers: Description:

Copyright Text: USGS

Spatial Reference: 102100  (3857)  LatestVCSWkid(0)


Initial Extent: Full Extent: Units: esriMeters

Document Info: Enable Z Defaults: true

Supports ApplyEdits With Global Ids: false

Support True Curves : true

Only Allow TrueCurve Updates By TrueCurveClients : false

Supports Dynamic Layers: false

Child Resources:   Info   Relationships

Supported Operations:   Query   Query Contingent Values   QueryDomains