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This web page was written by Seth Price.
Each version of True Marble GLCD utilizes the classification scheme of a 3rd party dataset. The GLCD-NLCD uses the classification scheme of the NLCD 1992. The GLCD-GLC uses the classification scheme of the GLC2000. The classifications, colors, RGB values, indices, and descriptions are repeated below for your convenience. Note that the PNG versions of files may not match the indices listed here.
| Color | R | G | B | Index | Description |
|---|---|---|---|---|---|
| 110 | 127 | 177 | 0 | Open Water | |
| 255 | 255 | 255 | 1 | Perennial Ice/Snow | |
| 253 | 229 | 228 | 2 | Low Intensity Residential | |
| 247 | 178 | 159 | 3 | High Intensity Residential | |
| 229 | 86 | 78 | 4 | Commercial/Industrial/Transportation | |
| 210 | 205 | 192 | 5 | Bare Rock/Sand/Clay | |
| 175 | 175 | 177 | 6 | Quarries/Strip Mines, Gravel Pits | |
| 83 | 62 | 118 | 7 | Transitional | |
| 133 | 199 | 126 | 8 | Deciduous Forest | |
| 56 | 129 | 78 | 9 | Evergreen Forest | |
| 212 | 231 | 176 | 10 | Mixed Forest | |
| 220 | 202 | 143 | 11 | Shrubland | |
| 187 | 174 | 118 | 12 | Orchards/Vineyards | |
| 253 | 233 | 170 | 13 | Grasslands/Herbaceous | |
| 251 | 246 | 93 | 14 | Pasture/Hay | |
| 202 | 145 | 70 | 15 | Row Crops | |
| 121 | 108 | 74 | 16 | Small Grains | |
| 244 | 238 | 202 | 17 | Fallow | |
| 240 | 156 | 54 | 18 | Urban/Recreational Grasses | |
| 200 | 230 | 248 | 19 | Woody Wetlands | |
| 100 | 179 | 213 | 20 | Emergent Herbaceous Wetlands |
| Color | R | G | B | Class | Description |
|---|---|---|---|---|---|
| 0 | 100 | 0 | 0 | Tree Cover, broadleaved, evergreen | |
| 0 | 150 | 0 | 1 | Tree Cover, broadleaved, deciduous, closed | |
| 175 | 255 | 99 | 2 | Tree Cover, broadleaved, deciduous, open | |
| 139 | 69 | 19 | 3 | Tree Cover, needle-leaved, evergreen | |
| 205 | 127 | 96 | 4 | Tree Cover, needle-leaved, deciduous | |
| 140 | 190 | 0 | 5 | Tree Cover, mixed leaf type | |
| 120 | 150 | 255 | 6 | Tree Cover, regularly flooded, fresh water | |
| 0 | 71 | 200 | 7 | Tree Cover, regularly flooded, saline water | |
| 0 | 230 | 0 | 8 | Mosaic, Tree cover / Other natural vegetation | |
| 0 | 0 | 0 | 9 | Tree Cover, burnt | |
| 255 | 119 | 0 | 10 | Shrub Cover, closed-open, evergreen | |
| 255 | 179 | 0 | 11 | Shrub Cover, closed-open, deciduous | |
| 255 | 234 | 158 | 12 | Herbaceous Cover, closed-open | |
| 222 | 202 | 161 | 13 | Sparse Herbaceous or sparse Shrub Cover | |
| 0 | 150 | 150 | 14 | Regularly flooded Shrub and/or Herbaceous Cover | |
| 255 | 224 | 229 | 15 | Cultivated & managed areas | |
| 255 | 117 | 232 | 16 | Mosaic: Cropland / Tree Cover / Other natural vegetation | |
| 202 | 138 | 255 | 17 | Mosaic: Cropland / Shrub or Grass Cover | |
| 180 | 180 | 180 | 18 | Bare Areas | |
| 138 | 227 | 255 | 19 | Water Bodies | |
| 240 | 240 | 240 | 20 | Snow & Ice | |
| 255 | 0 | 0 | 21 | Artificial surfaces & associated areas |