1992 Scheme

2001-2006 Scheme

11-Open water

12-Perennial Ice/Snow

11-Open water

12-Perennial Ice/Snow

21-Low Intensity Residential

22-High Intensity Residential

23-Commercial/Industrial/Transportation

21-Developed, Open Space

22-Developed, Low Intensity

23-Developed, Medium Intensity

24-Developed, High Intensity

31-Bare Rock/Sand/Clay

32-Quarries/Strip Mines/Gravel Pits

33-Transitional

31-Barren Land

32-Unconsolidated Shore¹

41-Deciduous Forest

42-Evergreen Forest

43-Mixed Forest

41-Deciduous Forest

42-Evergreen Forest

43-Mixed Forest

51-Shrubland

51-Dwarf Scrub²

52-Scrub/Shrub

61-Orchards/Vineyards/Other

71-Grassland/Herbaceous

71-Grassland/Herbaceous

72-Sedge Herbaceous²

73-Lichens²

74-Moss²

81-Pasture/Hay

82-Row Crops

83-Small Grains

84-Fallow

85-Urban/Recreational Grasses

81-Pasture/Hay

82-Cultivated Crops

91-Woody Wetlands

92-Emergent Herbaceous Wetlands

90-Woody Wetlands

91-Palustrine Forested Wetland¹

92-Palustrine Scrub/Shrub¹

93-Estuarine Forested Wetlands¹

94-Estuarine Scrub/Shrub¹

95-Emergent Herbaceous Wetland

96-Palustrine Emergent Wetland (Persistent)¹

97-Palustrine Emergent Wetland¹

98-Palustrine Aquatic Bed¹

99-Estuarine Aquatic Bed¹