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Service Description: This data set represents smoothed, 2-foot bare earth contours (isolines) for the Upper Androscoggin (01040001) 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: LiDAR_Contours_2ft_01040001_smooth
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Description: This data set represents smoothed, 2-foot bare earth contours (isolines) for the Upper Androscoggin (01040001) 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.
Service Item Id: 904b24b867d14e61851eadd8df78b0d7
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Spatial Reference:
103104
(6525)
LatestVCSWkid(0)
Single Fused Map Cache: false
Initial Extent:
XMin: 784054.4168288189
YMin: 610290.3709422254
XMax: 1436741.525475838
YMax: 1108790.2940651707
Spatial Reference: 103104
(6525)
LatestVCSWkid(0)
Full Extent:
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YMin: 695801.4508285748
XMax: 1152606.9100282467
YMax: 1023279.2141788214
Spatial Reference: 103104
(6525)
LatestVCSWkid(0)
Units: esriFeet
Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP
Document Info:
Title: 2-foot Contours
Author:
Comments: This data set represents smoothed, 2-foot bare earth contours (isolines) for the Upper Androscoggin (01040001) 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,Upper Androscoggin,01040001,NH GRANIT
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TextAntialiasingMode: Force
Supports Dynamic Layers: true
MaxRecordCount: 2000
MaxSelectionCount: 2000
MaxImageHeight: 4096
MaxImageWidth: 4096
Supported Query Formats: JSON, geoJSON, PBF
Supports Query Data Elements: true
Min Scale: 0
Max Scale: 0
Supports Datum Transformation: true
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