| Tribal Block Group National Shapefile (Current) |
| tl_2013_[us]_tbg.shp |
| Field | Length | Type | Description |
| AIANNHCE | 4 | String | Current American Indian/Alaska Native/Native Hawaiian area census code |
| TTRACTCE | 6 | String | Current tribal census tract code |
| TBLKGPCE | 1 | String | Current tribal block group letter |
| GEOID | 11 | String | Tribal block group identifier; a concatenation of the current American Indian/Alaska Native/Native Hawaiian area census code, tribal census tract code, and tribal block group letter |
| NAMELSAD | 20 | String | Current translated legal/statistical area description and the tribal block group letter |
| MTFCC | 5 | String | MAF/TIGER feature class code (G2410) |
| ALAND | 14 | Number | Current land area |
| AWATER | 14 | Number | Current water area |
| INTPTLAT | 11 | String | Current latitude of the internal point |
| INTPTLON | 12 | String | Current longitude of the internal point |
