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Layer: River Bathymetry (1888) (ID: 193)

Parent Layer: Environment

Name: River Bathymetry (1888)

Display Field: DEPTH_CLAS

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: Willamette River 1888 and 1895 depth polygons (from Willamette Falls to the Columbia) derived from TIN model of river bathymetry. Original reference points and breaklines digitized and interpolated by the City of Portland, Bureau of Planning, from United States Coast & Geodetic Survey 1888 Columbia River chart (Fales Landing to Portland) and U.S. Army Corps of Engineers 1895 surveys of the Upper Willamette (Sheets 14 and 15). NOTE: Other data such as streams, wetlands, and off-channel waterbodies were also digitized from the historic Willamette River maps. Please contact the City of Portland, Bureau of Planning using the contact information below if you are interested in aquiring this information. --Additional Information: Category: Hydro Purpose: For viewing and analyizing depths of the historic Willamette River. Update Frequency: None Planned Additional Information: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=52237

Definition Expression: N/A

Copyright Text: Bureau of Planning and Sustainability

Default Visibility: true

MaxRecordCount: 4000

Supported Query Formats: JSON, AMF, geoJSON

Min Scale: 0

Max Scale: 0

Supports Advanced Queries: true

Supports Statistics: true

Has Labels: false

Can Modify Layer: false

Can Scale Symbols: false

Use Standardized Queries: true

Supports Datum Transformation: true

Extent:
Drawing Info: Advanced Query Capabilities:
HasZ: false

HasM: false

Has Attachments: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: null

Fields:
Supported Operations:   Query   Generate Renderer   Return Updates