A. 1.8. AREACODE.dbf 



AREACOOE.DBF 



Master index file: AREACODE.ndx Key: CODE + AREA 



Structure for database: AREACODE.dbf 



Field Field Name Type Width Description 



A. 1.9. COUNTY. dbf 



COUNTY. dbf Alias: COUNTY 



Master index file: COUNTY. ndx Key: CNTY 



Structure for database: COUNTY. dbf 



Field Field Name Type Width Description 



1 CNTY C 



2 COUNTY C 

 ** Total ** 



15 

 18 



DFWP 3-digit county code 

 (See Appendix B.4) 

 Name of county 



A. 1.10. EPA. dbf 



EPA. DBF Alias: EPA 



Master index file: EPA. ndx Key: CODE 



Structure for database: EPA. dbf 

 Field Field Name Type Width 



1 CODE 



2 RRN 

 ** Total ** 



C 

 C 



6 

 16 

 22 



Description 



DFWP water code 

 EPA code 



A. 2. INDEX FILES 



As noted in the preceeding file structures, each of the data base 

 files has a maintained index file. The following table lists the names of 

 those files. 



Table A-2: INDEX FILES 



AREACODE.NDX 

 FISH. NDX 

 REG. NDX 



CNTY. NDX 

 FOOR.NDX 

 AREA. NDX 



COUNTY. NDX 

 GEO. NDX 

 EPA. NDX 



DESCRIP.NDX 

 NAT. NDX 



A-15 



