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<br />n007u~ <br /> <br /> <br />......:: . <br />-~. ~ . <br />,~'.h . <br /> <br />......,...... <br />.~,"!!'P. -...-.~. <br />,..-t." ._ , <br />" v <br /> <br />, <br /> <br />- <br /> <br /># <br /> <br />-- <br /> <br />~.-" <br />:-...-. ~ . <br />. --;~.~ <br />';'~':;.~ <br />-- <br />~ -" -~- <br /> <br />Flgur. T.-Natural dtlltlng 01 snow (Ioreground) In the alpine can be enhlnced by placing <br />lences to put additional snow on lop 01 an already deep snowplck. This is done to IncralSe <br />the funol! during summer manlhs !rom such areas. <br /> <br />~_._.- <br />~--~ <br />-;:_ -r~ ~ <br />~~. <br /> <br />- <br />_. ~ <br /> <br />, <br /> <br />w;iii <br /> <br />- <br /> <br />-- <br /> <br />-f <br />I <br /> <br />-- <br />. <br /> <br />..~.,;--;" ~ <br />~.~ <br />- <br /> <br />I <br /> <br />-. <br /> <br />-' <br /> <br /> <br />.d; ~ <br /> <br />~ <br /> <br />-. <br /> <br />- <br /> <br />~ <br /> <br />" <br /> <br />~ <br /> <br />Figure a.-High e'evalion (9,000.10,000 ,..tl mountain grasslands in aUlarn Arllona. where <br />much sublimation loss occurs from windblown snow. These areas comprise about 100.000 <br />acres in the lower Basin and In unknown Icr..ge 'n Ihe Upper Blsin. <br /> <br />8 <br />