Field			Description
----------------------------------------------------------------------------------
TILE_ID			Tile name
NORMCLASS		Normalization class:
				0 - normalization was not performed (non-forest tiles)
				1 - normalization mask includes forest with tree canopy density >15% (VCF)
				2 - normalization mask includes forest with tree canopy density >30% (VCF)
				3 - normalization mask includes forest with tree canopy density >60% (VCF)