LOCATION: EMS_CAT
| Short Description | SAS Spatial Surrogate/Census Code Lookup Table |
| Created By | srg_cens.sas |
| ASCII Input File | ems_sys(srg_cens.in) |
| # | Variable | TYPE | LENGTH | DESCRIPTION |
| 1 | SSC | Character | 3 | spatial surrogate code |
| 2 | CENSUSCD | Character | 2 | census code |