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The Tree Inventory is managed by the Arboriculture Section in the Horticulture, Forestry, & Environmental Education (HFEE) division. Data is pulled routinely from TreeKeeper, our tree inventory management system and updated within this layer to ensure updated data.  <\/font><\/div>

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These points were collected initially using aerial photography and a GPS.  As the inventory is updated, locations are updated using a GNSS with 3ft accuracy. As of July 2025, Olney Manor and Rock Creek have been updated with this accuracy.  All maintenance areas are expected to be updated to the 3ft accuracy by March 2029.<\/font><\/div>

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The inventory is updated on a 5 year cycle with two maintenance areas updated per year.  The cycle is as follows.<\/font><\/div>

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FY26: Wheaton and MLK<\/font><\/div>
FY27: Cabin John and Green Farm<\/font><\/div>
FY28: Meadowbrook and South Germantown<\/font><\/div>
FY29: Rock Creek and Olney<\/font><\/div>
FY30: Little Bennett and Black Hill<\/font><\/div>
FY31: Wheaton and MLK and then continuing on in this pattern of planting the paired management areas every 5 years.<\/font><\/div>", "mapName": "TreeInventory_Pt", "description": "The Tree Inventory is managed by the Arboriculture Section in the Horticulture, Forestry, & Environmental Education (HFEE) division. Data is pulled routinely from TreeKeeper, our tree inventory management system and updated within this layer to ensure updated data.  These points were collected initially using aerial photography and a GPS.  As the inventory is updated, locations are updated using a GNSS with 3ft accuracy. As of July 2025, Olney Manor and Rock Creek have been updated with this accuracy.  All maintenance areas are expected to be updated to the 3ft accuracy by March 2029.The inventory is updated on a 5 year cycle with two maintenance areas updated per year.  The cycle is as follows.FY26: Wheaton and MLKFY27: Cabin John and Green FarmFY28: Meadowbrook and South GermantownFY29: Rock Creek and OlneyFY30: Little Bennett and Black HillFY31: Wheaton and MLK and then continuing on in this pattern of planting the paired management areas every 5 years.", "copyrightText": "Steward: Arboriculture Section of the HFEE division. Custodian: Montgomery Parks GIS Team.", "supportsDynamicLayers": true, "layers": [ { "id": 0, "name": "Tree Inventory", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPoint", "supportsDynamicLegends": true } ], "tables": [], "spatialReference": { "wkid": 102685, "latestWkid": 2248, "xyTolerance": 0.00328083333333333, "zTolerance": 0.001, "mTolerance": 0.001, "falseX": -120561100, "falseY": -95444400, "xyUnits": 3048.0060960121905, "falseZ": -100000, "zUnits": 10000, "falseM": -100000, "mUnits": 10000 }, "singleFusedMapCache": false, "initialExtent": { "xmin": 1175281.5811426053, "ymin": 505576.0623999791, "xmax": 1338751.503549927, "ymax": 553277.1217253943, "spatialReference": { "wkid": 102685, "latestWkid": 2248, "xyTolerance": 0.00328083333333333, "zTolerance": 0.001, "mTolerance": 0.001, "falseX": -120561100, "falseY": -95444400, "xyUnits": 3048.0060960121905, "falseZ": -100000, "zUnits": 10000, "falseM": -100000, "mUnits": 10000 } }, "fullExtent": { "xmin": 1178975.56923074, "ymin": 462859.327486217, "xmax": 1336791.23424181, "ymax": 601837.4556973871, "spatialReference": { "wkid": 102685, "latestWkid": 2248, "xyTolerance": 0.00328083333333333, "zTolerance": 0.001, "mTolerance": 0.001, "falseX": -120561100, "falseY": -95444400, "xyUnits": 3048.0060960121905, "falseZ": -100000, "zUnits": 10000, "falseM": -100000, "mUnits": 10000 } }, "datesInUnknownTimezone": false, "minScale": 0, "maxScale": 0, "units": "esriFeet", "supportedImageFormatTypes": "PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP", "documentInfo": { "Title": "TreeInventory_Pt", "Author": "", "Comments": "", "Subject": "", "Category": "", "Version": "3.5.0", "AntialiasingMode": "Fast", "TextAntialiasingMode": "Force", "Keywords": "Trees,Arboriculture,HFEE,ParkStat" }, "supportsQueryDomains": true, "capabilities": "Query,Map,Data", "supportedQueryFormats": "JSON, geoJSON, PBF", "hasVersionedData": true, "exportTilesAllowed": false, "referenceScale": 0.0, "supportsDatumTransformation": true, "floorAwareMapProperties": { "defaultFloorFilterSettings": {"isEnabled": false} }, "archivingInfo": {"supportsHistoricMoment": false}, "supportsClipping": true, "supportsSpatialFilter": true, "supportsTimeRelation": true, "supportsQueryDataElements": true, "mapUnits": {"uwkid": 9003}, "maxSelectionCount": 2000, "maxRecordCount": 2000, "maxImageHeight": 4096, "maxImageWidth": 4096, "supportedExtensions": "FeatureServer", "serviceItemId": "0bab273fa15e4d63b0cbbed42af94f5d" }