MONTANA DEPARTMENT HSH, WILDLIFE, AND PARKS 

 MRIS Reporting Program 



APPENDIX D 

 Data Structures and other support documents 



Fisheries Information Database Stinjctures 

 ADMNOWN.DBF - Administrative and Ownership Database Stmcture 



Field Name 



SHORT_RRN 



SECTION 



FWPREGION 



FWPDISTRIC 



WATERCODE 



STRMREACH 



WTRTYPE 



STRMORDER 



MTNRNGl 

 MTNRNG2 

 FISHREGS 

 SERIAL 



Field Name 



SHORT_RRN 



SECTION 



SURV_DATE 



SPECIES 



AGE 



COUNT 



MEAN_LEN 



MEAN_WT 



AGE_RAT 



SERIAL 



Type Width Dec Description 



C 9 Short RRN 



CIO Section No. 



C 10 FWP Region 



CIO FWP District 



C 6 DFWP Watereode 



C 3 DFWP Watereode reach number 



C 2 (01= Trout stream; 02 = non-trout stream; 10 = stream 



management undesignated; 19 = unable to sustain fish; 41 = 

 stream with mostly warm/cool water fish) 



C 2 Stream order code. Using Quad scale map (1 = smallest 



unbranched perennial tributaries; 2 = below the junction of 

 two first order streams; 3 = below the junction of two second 

 order streams; etc.) 



D- 1 



