vector digital data None None Microsoft Windows 2000 Version 5.2 (Build 3790) Service Pack 2; ESRI ArcCatalog 9.2.4.1420 Vector GT-polygon composed of chains 148 Fire History Polygons 1850 Age class of forest in polygon OR/WA BLM OBJECTID Internal feature number. ESRI Sequential unique whole numbers that are automatically generated. SHAPE Feature geometry. ESRI Coordinates defining the features. subj_fire1850 Age class of forest in the polygon. OR/WA BLM 0_49 0 to 49 years condition 100_199 100 to 199 years condition 200+ 200+ years condition 50_99 50 to 99 years condition BURNED Burned condition 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. See access and use constraints information. Personal GeoDatabase Feature Class 20090810 FGDC Content Standard for Digital Geospatial Metadata FGDC-STD-001-1998 local time