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snippet: Grid of dissolved 2-township by 2-township polygons covering Alberta, used to spatially summarize insect pest monitoring data for provincial-level risk mapping.
summary: Grid of dissolved 2-township by 2-township polygons covering Alberta, used to spatially summarize insect pest monitoring data for provincial-level risk mapping.
extent: [[-120.001403144284,48.9966735730649],[-110.004777137733,60.000469857695]]
accessInformation: Agriculture and Irrigation. Primary Contact Amanda Jorgensen, Plant and Bee Health Surveillance Section. GIS Contact Sonia Salyzyn Natural Resource Innovation Section
thumbnail: thumbnail/thumbnail.png
maxScale: 1.7976931348623157E308
typeKeywords: ["ArcGIS","ArcGIS Server","Data","Map Service","Service"]
description: Each polygon represents a grouped block of four Alberta townships (2 TWP × 2 RGE), dissolved from the provincial township index. Groupings start from the southeast corner of each meridian, pairing townships northward and ranges westward. Fields include the Group ID, meridian, township and range group numbers, and the PID and descriptor for each of the four constituent townships (NE, NW, SE, SW). Used as the spatial reporting unit for the Alberta Insect Pest Monitoring Network to aggregate trap count and annual survey data.
licenseInfo: For use only by Insect Pest Program Managers, and Modernization team, specifically Amanda Jorgensen, Shelley Barkley, Sonia Salyzyn and Jinkai Zhang.  Personal information not to be disclosed.  Classification: Protected B or C
catalogPath:
title: TWP_Grid_4x4_Polygons
type: Map Service
url:
tags: ["Alberta","township grid","ATS","township","range","meridian","insect pest monitoring","trap counts","risk mapping","agriculture"]
culture: en-US
portalUrl:
name: twp_grid_4x4_polygons.MapServer
guid: F3960B7E-BC4B-4741-A89A-F39C58291655
minScale: 0
spatialReference: WGS_1984_Web_Mercator_Auxiliary_Sphere