GIS_Base_Data/Wetlands (MapServer)

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Service Description: This data set provides a set of wetland polygons delineated by aerial photograph interpretation. This data set is an amalgamation of three original data sets: 1) Ward; 2) Whitehorse; and USFS White River National Forest. Original data were obtained from the Summit County Mapping Department, either directly or via Science Applications Internation Corporation (SAIC). Each survey differed in its extent and accuracy. The accuracy of the surveys were ranked as 1) Ward, 2) Whitehorse, 3) USFS -- from highest accuracy to lowest. Aerial photography was confirmed by limited ground truthing by SAIC. When wetland polygons overlap occurred, the polygon utilized in this mapping was generally selected from the most accurate aerial photo survey. Where available, aerial photographs were evaluated to confirm polygon selection. In some cases, where photography was available, overlapping polygons from different surveys were retained to cover an entire apparent wetland in a location. In such cases, polygons were clipped so as not to overlap. In some cases additional wetland polygons were added to the survey based on continuing aerial photograph evaluations. Data field definitions are provided in the "supplemental information" section below. Data fields retained in the attribute table were obtained from the three surveys or derrived after merging. Since the individual surveys used different field definitions and complied different types of data, many fields do not have data entries.

Map Name: Hydrology

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Wetlands (0)
- Summit Wetlands (1)

Description: This data set provides a set of wetland polygons delineated by aerial photograph interpretation. This data set is an amalgamation of three original data sets: 1) Ward; 2) Whitehorse; and USFS White River National Forest. Original data were obtained from the Summit County Mapping Department, either directly or via Science Applications Internation Corporation (SAIC). Each survey differed in its extent and accuracy. The accuracy of the surveys were ranked as 1) Ward, 2) Whitehorse, 3) USFS -- from highest accuracy to lowest. Aerial photography was confirmed by limited ground truthing by SAIC. When wetland polygons overlap occurred, the polygon utilized in this mapping was generally selected from the most accurate aerial photo survey. Where available, aerial photographs were evaluated to confirm polygon selection. In some cases, where photography was available, overlapping polygons from different surveys were retained to cover an entire apparent wetland in a location. In such cases, polygons were clipped so as not to overlap. In some cases additional wetland polygons were added to the survey based on continuing aerial photograph evaluations. Data field definitions are provided in the "supplemental information" section below. Data fields retained in the attribute table were obtained from the three surveys or derrived after merging. Since the individual surveys used different field definitions and complied different types of data, many fields do not have data entries.

Service Item Id: 72683f960dc4449f9026788aff065336

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Spatial Reference: 102654 (2232)

Single Fused Map Cache: false

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Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP

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Supports Dynamic Layers: true

Resampling: false

MaxRecordCount: 2000

MaxImageHeight: 4096

MaxImageWidth: 4096

Supported Query Formats: JSON, geoJSON, PBF

Supports Query Data Elements: true

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Max Scale: 0

Supports Datum Transformation: true

Child Resources: Info Dynamic Layer

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