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Prior to receiving the orthophotography, site plans are used to capture the planned minor transportation areas. These different sources of the minor transportation areas are indicated within the minor transportation areas attributes.Contact: Fairfax County GIS DivisionData Accessibility: PublicUpdate frequency: Approximately 8 yearsCreation date: 1/1/2000Layer Name: GISMGR.MINOR_TRANSPORTATION_AREASDataset Name: GISMGR.PLANIMETRIC", "geometryType": "esriGeometryPolygon", "sourceSpatialReference": { "wkid": 102746, "latestWkid": 2283, "xyTolerance": 0.002, "zTolerance": 2, "mTolerance": 2, "falseX": -110512500, "falseY": -88858000, "xyUnits": 4000, "falseZ": -100, "zUnits": 4, "falseM": 0, "mUnits": 1 }, "copyrightText": "The portion of the data set in the southeastern quadrant of Fairfax County with a source of \"2007 Stereo Models\" was created by GeoDecisions/Fugro EarthData, Inc. The portion of the data set in the rest of the County and with a source of \"2009 Stereo Models\" in the southeastern quadrant was created by GeoDecisions/Infotech, Inc. All quadrants were under contract to Fairfax County. Quality control checks were performed by Plangraphics. Staff from the GIS branch were also used for quality control checking 1997: The data set was created by Analytical Surveys Incorporated (ASI) and Landata under contract to Fairfax County. Quality control checks were performed by Engineering Systems Incorporated and Dewberry and Davis. 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