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The river below Terrace Reservoir is highly unstable and suffers from severe erosion. This <br />condition is the result of channel straightening, levee bank construction, many irrigation <br />diversion projects, individual attempts to protect streambanks and overgrazing of streambank and <br />riparian vegetation. Channel conditions vary along the river's length, varying from a braided <br />stream type (Rosgen D3 & D4 classification) to a single thread channel (Rosgen C and F stream <br />types). <br />Watershe <br />Summitville <br />,, ~ ~ t_ _ Fes- ` -'~ ~~ ~~~_ _ ,. <br />F J ~ ~ ,- ~ ~{~ ~ 7~ J ~ u ~ j C <br />y} M. <br />~ J r ~ ~~i1H~~~ ~ ~ ~r.~a~~ tti~i'~~; i1~ l.aJ ra <br />Ii ~.~~ }}~ qtr j~.~1t1~ ~~~,tt t III,..' <br />r - i t , ~ r~ ~~y • ' ~ <br />I (~4 i <br />y~-Jy}{i~; ~ ~, <br />r-~'. <br />~i ~~ ~ - <br />`~F <br />. E-; ~ .:~. ~ Rive F <br />'~~ Work La <br />~ - _~% <br />Terrace Reservoir _~~`" <br />- !: <br />,- -,t- <br />~: - <br />-v: 'a ~ - <br />~y~~' Alamosa River <br />~_.; <br />. ,.~-_. <br />i Boundary -' ~~,~ <br />~5: <br />r, ~ ~ ; <br />'V ~' .~ <br />(~ ... <br />_ ~ <br />- E~' i <br />LLB, ~ _, ;~,~ r ~,{,,' <br />~- r '`& fie. ,. ' `'02`•4.:. <br />~~ <br />Watershed Map <br />Figure 2: Watershed Boundary Map and other key watershed features. <br />estoration <br />cation <br />5 <br />