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i(i'~' ,\"" "<hl' The Bureau of Sport Fisheries and Wildlife estimated about 208 miles of stream fisher5,es including a preponderance of cold-l.,ater habitat lJill be affected by the project. They estim3.ted that ~rith the project there Ifill be an increase of 39,000 man-days of fishing annually. These benefits attributed to the project were est~nated at $83,000 annually in 1961+. They estimated that Heron Reservoir "ould also genera'Ge about 500 man-days aimually of \,raterfm,l hunting. ~~~vironpental Effects The collection and diversion element l-rill reduce streamflo~'rs in the Rio BlancoJ Navajo, and. Little Navajo Rivers in the Upper San Juan River :&\sin. HOl,rever, fish habitat will not be adversely affected because detrinllil~al effects of high snOi,nnelt and seasonal terrestrial flm,s in the rivers l-rill be moderated. Fishing, therefore, will remain about the same as without the project. Wildlife in the project collection and diversion area includes elk, mule deer, black bears, ~iild turkeys, dusky grouse, mourning doves, bancl.-.tailed pigeons, rabbits, beaver, and waterfol,rl. Elk, deer, ano. turkeys e,re important on the San Juan B.'\Sinj hOlfever, the project ~rill have no significant effect on these species in this area. The IVillOl,r Creek draj.nage area Ifill have some effect on ~rildli:fe. The entire Hillo\'r Creek drainage, includj,ngHeron Reservoir site, is an ~nportant winter area for a large interstate herd of, deer and e1J\: that spend the summer at hi.gher elevations in Coiorado anc1 lJOl-r Hexico. A small resident population also uses the area. Elk anc1. deer ~re dependent upon Heron Reservoir site for year-long and winter range. Inundation by Heron Reservoir will resuJx in the loss ofncarly 6,000 acres of wj.nter range that is vital for preservation 'of elk and. deer herds in severe winters. The area is expected to lose 200 man-days of elk bunting a11.(l 200.ll'.an-days of mule deer hunting .as a result of the project. A way of mitigating the loss of the elle and. deer range and its enhancement is possible by acg,uisition of ac.jacent private lands. The .land is estimated to cost about $702,000. Acquisition of this land may be possible through the use of project funds under the . authority of Section 8 of the Colorado River Storage Project allcl "