Esri ArcGIS 10.3.1.4959 ATL_Blocks_3_Clip File Geodatabase Feature Class dataset EPSG 8.6.2 0 ATL_Blocks_3_Clip OBJECTID Internal feature number. Esri Sequential unique whole numbers that are automatically generated. Shape Feature geometry. Esri Coordinates defining the features. MMS_REGION PROT_NUMBE PROT_APRV_ BLOCK_NUMB BLK_FED_AP MMS_PLAN_A Shape_Length Length of feature in internal units. Esri Positive real numbers that are automatically generated. Shape_Area Area of feature in internal units squared. Esri Positive real numbers that are automatically generated. 20170517