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Table 1 • Delerminallon of "alluvial valley (loot" (AVF) status of drainages In the vicinity of the Trapper Mlne ' l <br /> D r a l n a g a a <br /> Williams Fork River <br /> Yampa River valley valley No Nama Gulch Johnson Gulch Pyeatt Gulch Flume Gulch <br />ac ground information <br />Inlormallon sources <br />Curren) land ties In bosom pl drainage Cropland (wheal, Cropland (wheal, Croplantl (drylantl Cropland (dryland Cropland (dryland Croplantl (tlryland Map M-75B in permit appliralion (field verified in t0 8 <br /> allalla), allalla), wheal and alfalfa), wheap, wheal, native grass wheal and allalla), 11/97 DMG inspections) <br /> undeveloped undeveloped untlevebped undeveloped hay), untlevebped undeveloped <br /> rangelantl rangeland rangeland rangeland ranpelantl rangeland <br />Acraa In cropland (1980 efllmale) 075 725 71g 1681 Map M-]SB and page 2-S761n permit (field verdied in <br /> 10 S 11/97 DMG inspections) <br />Esllmalstl average annual water ylcld 117 119 159 90 Page 2-413 and Table 3 7-12 in permit applirai on <br />within parmll area (acre-)eel) <br />n oa~.u..,.ra <br />Ara crops or paalureland Irrlgaletl7 <br />Yea . <br />Yea <br />No <br />No <br />No <br />Np <br />Page 971n Appendix H of permit slates Thal <br /> egncullural lantls are vngaied in Ise Oootlplains of Iha <br /> Yampa antl Williams Fork flivers Map-OSB in parml <br /> Show] Thal only dryland cops aie grown in Ise lour <br /> smaller drainages Pages 2576 antl 3-577 e,plain <br /> Thal irngation would be uneconomic in (nose <br /> drainages. INO irrigation structures were found in <br /> (hose drainages in 10 d 11/97 DIAG inspections) <br />Ara crops or paslurelantl sublrrlgaled7 Yea Yea No No No No In the smaller drainages, subiriigalion appears to be <br /> limited to uncullivaled areas wilnui SO )eel of stream <br /> Ulannels. <br />AVF determination <br />(~, Are "unconsolltlalad slream~laltl holding Yea Yef Yea, at a lorallon Yes, al a IowOon Yea, al a loralion 1 Yea, al a location t Map M75A in permit apnliwlion supplemented by <br />streams' presanl7 173 mile nosh of Ue 1/9 mile norN of Ore mile riorlh of the mile rronh pl Iha DMG inspections in 10 8 11/97 <br /> permit area, an0 parmll Brea, aM permit area, end permit area, and <br /> nonhwartl Irom northward Iron nonhward Irom rwrthward Irom <br /> Nere. (here. (here. Ihera. <br />la water avallablliry auttlctenl for nood <br />~2 Yes Yea No No No No Page 47 in Appendix H of permit states Ina) <br />7 <br />I Irrlgallon "agrlcullural aclivlllaa"7 agricultural lantls are irrigaletl in Ise Oootlplauis of Ina <br /> Yampa and Williams Fork Rivers Pages Z-576 and <br /> 2577 in permit explain Thal irrigation woultl be <br /> uneconomic in Ise smaller drainages. <br />/3~ la water avallabllity auRlclenl for Yes Yea No No No No Field inspection <br />11 ^ublrrlgallon'agrlcullural acllvlllas'7 <br />Conclusion: la Iha drainage an AVF) Yea Yes No No No No <br />ThaNs: /a 'Yes"Ihe answer Po (1J and <br />ro either Ql or (71T <br /> (Nola: All values era approsimata) <br />