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Service Description: This data set represents smoothed, 2-foot bare earth contours (isolines) for the Piscataqua-Salmon Falls (01060003) HUC 8 unit. It was derived from a data set which was compiled from LIDAR collections in NH available as of spring, 2019. The raster was filtered using the ArcGIS FOCAL STATISTICS tool with a 3x3 circular neighborhood. The contours were generated using the ArcGIS CONTOUR tool while applying a Z factor of 3.2808 to convert the elevation values from meters to feet. The filtered contours were then smoothed using the ArcGIS SMOOTH LINE tool. The data include an INDEX field with values of 10 and 100 to flag 10 and 100-foot contours. When viewed using this service, contours become visible at scales greater than 1:10,000.
Map Name: 2-foot Contours
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Description: This data set represents smoothed, 2-foot bare earth contours (isolines) for the Piscataqua-Salmon Falls (01060003) HUC 8 unit. It was derived from a data set which was compiled from LIDAR collections in NH available as of spring, 2019. The raster was filtered using the ArcGIS FOCAL STATISTICS tool with a 3x3 circular neighborhood. The contours were generated using the ArcGIS CONTOUR tool while applying a Z factor of 3.2808 to convert the elevation values from meters to feet. The filtered contours were then smoothed using the ArcGIS SMOOTH LINE tool. The data include an INDEX field with values of 10 and 100 to flag 10 and 100-foot contours. When viewed using this service, contours become visible at scales greater than 1:10,000.
Copyright Text: Please cite NH GRANIT.
Spatial Reference:
103104
(6525)
Single Fused Map Cache: false
Initial Extent:
XMin: 1033761.753993433
YMin: 216223.30027214705
XMax: 1273535.3535631374
YMax: 401243.0791120068
Spatial Reference: 103104
(6525)
Full Extent:
XMin: 1065244.6077190775
YMin: 132588.34333315355
XMax: 1242052.4998374935
YMax: 409065.0535019848
Spatial Reference: 103104
(6525)
Units: esriFeet
Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP
Document Info:
Title: Two Foot Topographic Contours - Piscataqua-Salmon Falls (01060003) - smoothed
Author: NH GRANIT
Comments: This data set represents smoothed, 2-foot bare earth contours (isolines) for the Piscataqua-Salmon Falls (01060003) HUC 8 unit. It was derived from a data set which was compiled from LIDAR collections in NH available as of spring, 2019. The raster was filtered using the ArcGIS FOCAL STATISTICS tool with a 3x3 circular neighborhood. The contours were generated using the ArcGIS CONTOUR tool while applying a Z factor of 3.2808 to convert the elevation values from meters to feet. The filtered contours were then smoothed using the ArcGIS SMOOTH LINE tool. The data include an INDEX field with values of 10 and 100 to flag 10 and 100-foot contours. When viewed using this service, contours become visible at scales greater than 1:10,000.
Subject: These contours connect points of equal elevation at 2-foot intervals, and are one of a suite of topographic datasets available from NH GRANIT.
Category:
Keywords: Elevation,Contours,Hypsography,LiDAR,Piscataqua-Salmon Falls,01060003,NH GRANIT
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TextAntialiasingMode: Force
Supports Dynamic Layers: true
MaxRecordCount: 1000
MaxImageHeight: 4096
MaxImageWidth: 4096
Supported Query Formats: JSON, geoJSON
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Min Scale: 0
Max Scale: 0
Supports Datum Transformation: true
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