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 "name": "ImaginarySurfaceComposite_wGroundElevation",
 "type": "Feature Layer",
 "description": "This feature class describes the elevation of the imaginary surfaces that limit structure heights around the College Park Airport. The layer is a mesh of polygons, each one containing an imaginary surface height, a ground elevation, and the difference between the two. This difference represents the maximum height a structure can be without penetrating the imaginary surface and therefore obstructing air navigation. All elevation measurements are approximate.",
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 "maxScale": 0,
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    ],
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     ],
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   "description": ""
  },
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  "ymin": 468244.5529361367,
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  "ymax": 488743.3557704836,
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 "hasAttachments": false,
 "htmlPopupType": "esriServerHTMLPopupTypeAsHTMLText",
 "displayField": "SURFACE1",
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 "subtypeFieldName": null,
 "subtypeField": null,
 "defaultSubtypeCode": null,
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   "name": "OBJECTID",
   "type": "esriFieldTypeOID",
   "alias": "OBJECTID",
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  },
  {
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   "type": "esriFieldTypeGeometry",
   "alias": "SHAPE",
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  },
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   "type": "esriFieldTypeString",
   "alias": "SURFACE1",
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  },
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   "name": "SURFACE1_ELEV",
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   "alias": "SURFACE1_ELEV",
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  },
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   "alias": "SURFACE2",
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  },
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   "name": "SURFACE2_ELEV",
   "type": "esriFieldTypeSmallInteger",
   "alias": "SURFACE2_ELEV",
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  },
  {
   "name": "GROUND_ELEV",
   "type": "esriFieldTypeDouble",
   "alias": "GROUND_ELEV",
   "domain": null
  },
  {
   "name": "OBSTRUCTIVE_HT",
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   "alias": "OBSTRUCTIVE_HT",
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  },
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   "alias": "SHAPE_Length",
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   "fields": "OBJECTID",
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   "description": ""
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   "fields": "SHAPE",
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   "description": ""
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 ],
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 "relationships": [],
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 "capabilities": "Data,Map,Query",
 "maxRecordCount": 5000,
 "supportsStatistics": true,
 "supportsAdvancedQueries": true,
 "supportedQueryFormats": "JSON, geoJSON",
 "isDataVersioned": false,
 "ownershipBasedAccessControlForFeatures": {"allowOthersToQuery": true},
 "useStandardizedQueries": true,
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  "supportsStatistics": true,
  "supportsHavingClause": true,
  "supportsCountDistinct": true,
  "supportsOrderBy": true,
  "supportsDistinct": true,
  "supportsPagination": true,
  "supportsTrueCurve": true,
  "supportsReturningQueryExtent": true,
  "supportsQueryWithDistance": true,
  "supportsSqlExpression": true
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 "supportsDatumTransformation": true,
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  "shapeLengthFieldName": "SHAPE_Length",
  "units": "esriFeet"
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 "dateFieldsTimeReference": null,
 "supportsCoordinatesQuantization": true
}