NB1 - Urban/developed

NB2 - Snow/Ice

NB3 - Agricultural

NB8 - Open Water

NB9 - Bare Ground

GR1 - Short, Sparse, Dry Climate Grass

GR2 - Low Load, Dry Climate Grass

GR3 - Low Load, Very Coarse, Humid Climate Grass

GR4 - Moderate Load, Dry Climate Grass

GR5 - Low Load, Humid Climate Grass

GR6 - Moderate Load, Humid Climate Grass

GR7 - High Load, Dry Climate Grass

GR8 - High Load, Very Coarse, Humid Climate Grass

GR9 - Very High Load, Humid Climate Grass

GS1 - Low Load, Dry Climate Grass-Shrub

GS2 - Moderate Load, Dry Climate Grass-Shrub

GS3 - Moderate Load, Humid Climate Grass-Shrub

SH1 - Low Load Dry Climate Shrub

SH2 - Moderate Load Dry Climate Shrub

SH3 - Moderate Load, Humid Climate Shrub

SH4 - Low Load, Humid Climate Timber-Shrub

SH5 - High Load, Dry Climate Shrub

SH6 - Low Load, Humid Climate Shrub

SH7 - Very High Load, Dry Climate Shrub

SH8 - High Load, Humid Climate Shrub

SH9 - Very High Load, Humid Climate Shrub

TU1 - Low Load Dry Climate Timber-Grass-Shrub

TU2 - Moderate Load, Humid Climate Timber-Shrub

TU3 - Moderate Load, Humid Climate Timber-Grass-Shrub

TU4 - Dwarf Conifer With Understory

TU5 - Very High Load, Dry Climate Timber-Shrub

TL1 - Low Load Compact Conifer Litter

TL2 - Low Load Broadleaf Litter

TL3 - Moderate Load Conifer Litter

TL4 - Small downed logs

TL5 - High Load Conifer Litter

TL6 - Moderate Load Broadleaf Litter

TL7 - Large Downed Logs

TL8 - Long-Needle Litter

TL9 - Very High Load Broadleaf Litter

SB1 - Low Load Activity Fuel

SB2 - Moderate Load Activity Fuel or Low Load Blowdown

SB3 - High Load Activity Fuel or Moderate Load Blowdown

SB4 - SB4 (204) High Load Blowdown