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PROJECT COMPLETION REPORT INVESTIGATIONS PROJECTS STATE OF: NEW MEXICO PROJECT: F` R TITLE OF PROJECT: FISHERIES SURVEY OF THE GILA AND MIMBRES RIMERS DRAINAGES INTRODUCTION THIS REPORT 1S AN ATTEMPT TO SUMMARIZE THE GENERAL CHARACTERISTICS" OF THE WATERS AND --V"E I-A`-irAUNA IN THE G 1 LA AND M 1 MBRES R 1 VERS DRAINAGES IN NEW MEXICO. IT WAS FELT TEAT, TO TREAT EACH STREAM. AND LAKE INDIVIDUALLY (MOULD BE A DUP- LIGATION OF--T-HE BASIC SURVEYS AND REPORTS ALREADY DONE ON-THESE (MATERS. COM- PLETE REPORTS-OF THE SURVEYS MADE ON EACH STREAM AND LAKE LISTED IN TABLE 1 ARE on. F 1 Lt Ill TW OFF 149 Of THE NEw MEX I Co DEP ARTMENT of GAVE AND F I sm. IN 19529 A SURvET OF THE FISHERIES RESOURCES OF THE GILA AND MIMBR6& RIVERS DRAINAGES WAS INITIATED. This 30RVE4,WA3 DESIGNED TO INVENTORY THE FISH RESOURCES OF' THE AREA ANw•TO FORMULATE A DEVELOPMENT AND'MANAGEMENT PLAN TO PUCE AN CPTr- mu Sifm1mm Y1EtD OF GAME FISHES FROM THE WATERS CONCERNED. THE W'ATmmSURVEYED UNDER THE PROJECT ARE LOCATED INtCATRON9 GRANT, NwAtwq, LAMA,, AND S1tM& COUNTIES9 NEW MEX1COS. (FIGURE 1) THE GILA RIVER iS A PART- Ofs'THE COLORADO RIVER DRAINAGE' WHILE THE MIMBRES RIVER 18 IN THE RIO GRANDE DRAINAGE. BOTH RIVERS "*ME THEIR SOURCES IN THE MOGOLLON AND BLACK MOUNTAIN RANGES. EtEVa- TIONS IN THE AREA RANGE FROM 39700 TO 109778 FEET. THE DMINAGE3 CONCERNED COVER A WIDE RANGE OF LIFE ZONES. THESE ARE: LOWER SONORAN,, USER SONORAN9 TRANSITION,, AND CANADIAN. THEY ARE CHARACTERIZED 1!-VMCTA- T1VE COYER CONSISTING OF MESQUITE AND CREOSOTE, PINION AND JUNIPER, YELLOW PINES SPRUCE,, FIR AND ASPEN.,, RESPECTIVELY. THE GENERAL. VEGETATIVE COVER 18 GOODS AS MUCH OF THE-AREA LIES WITHIN THE BOUNDARIES OF THE GILA NATIONAL FORESTS WHERE GRAZ- ING BY DOMESTIC STOCK IS CONTROLLED. G89UZAL CLIMATIC CONDITIONS ANNUAL PRECIPITATION AND MEAN TEMPERATURE VALUES FOR THE GILA AND MIMBRES- RIVERS DRAINAGES` ARE NOT AVAILABLE FOR MOST OF THE AREA STUDIED BECAUSE Of THE ABSENCE OF REOM ING STATIONS. SONS r11®1CAT I ON OF MEAN VALUE CAN BE DERIVED FRONT- DATA COLLECTED AT NEAROW STATIONS,, sum AS FORT BAYARD9 NEAR SILVER CITY. THERE THE AVERAGE ANNUAL PRE- CIPITATION IN INCHES FOR• THE 814 YEAR PERIOD9 1949 TO 19549 WAS 12.6 INCHES. (Fie. 2) AT THE H=RICK RANCH ON THE EAST FORK OF THE G1LA.RIVER, PRECIPITATION 8ETWEEN-1949 AND 1954 sHOWED A GENERAL CORRELATION WITH THOSE TAKEN AT FORT BAYARD. (FIG. 2) THE SIX YEAR AVERAGE AT THE HEDRICK RANCH WAS 15.0 INCHES. -1-