Laserfiche WebLink
<br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />c;J /.' E I< J liJlJ.51'1 <br /> <br />./fJAAI~ 721lA~ <br />/V~s It. C~N'IP <br />s (3Grd~r ~ ,?;;- iNJ5 !?.JIE <br />Acres <br /> <br />6S'/11V, - '7 <br /> <br />SURFACE GEOLOGY <br />(e) <br /> <br />(10) <br />e. Marine ahales and.... .. <br />lated mudatonefl aDd <br />sUtatooea <br /> <br />N <br />fv <br />-J <br />1'0 <br /> <br /> (5) <br />e. Rocke of m._ <br /> hardo.sa <br />b. Moderatel, weathered <br />c. Moderatel, fro_ <br /> <br />(0) <br />a. M...ive, bard forma. <br />Uoae <br /> <br />;?1/w{()S <br />~/(.''II / <br /> <br />If' <br /> <br />Factor I <br />value <br /> <br />r; <br /> <br />GROUND COVER <br /> <br />(0 <br /> <br />Ground cover does Got .Jr. <br />ceed 20'!. <br />So Veletation. sp..e; little <br />or no litter <br />b. No rock in aurface IOU <br /> <br />Cover not esceedu.; 40'1. <br />.0 Noticeable litter <br />b. If trees p....eat under- <br />story Dot well ~velopecl <br />Ie :' <br /> <br />Y<<t /61. tr 0 j-~! 0 <br /> <br />v (-10) <br /> <br />.0 Area completel,. protect- <br />ed. by veCflltatioG" rock <br />Iteam_bU. Utter <br />b. LitUe opportWlity for <br />raWall to reac:.b: 'erodible <br />material <br /> <br />Factor I <br />value <br /> <br />Ie; <br /> <br />IV-3 <br />Watershed {/ T State <br /> <br />Subvatershed <br /> <br />;0. {>:>Q;T-FtVlJ? <br />Name 7M;!'t1 - 8~ P1 <br /> <br />VAj/ / .}-. <br />Condition <br /> <br />PSIAC - 1968 <br /> <br />Date <br /> <br />SEDIMENT YIELD FACTOR RATING <br /> <br />SOILS <br />(b) <br /> <br />CLIMATE <br />(c) <br /> <br />(10) <br />F!lle t.ature~.si.. .. <br />it. c:u.apenleGt .allEle- <br />8Ik!!!!'.: h1trhohriolc- <br />swell cbarac.tariaUca <br />b. Sinel. peln .ille ead lb. <br />fiDe sand. <br /> <br />t t-i<6(-And c. <br /> <br />(5) <br /> <br />(10) <br /> <br />Storms of ..veral a. <br />day.' duration with <br />short perioc:la of in- b. <br />tebSe rainfall <br />Frequent 1..ateose COD. <br />veetin starma <br />Freeze.-tba,w ()Ccu.... <br />_c. <br /> <br />(5) <br /> <br />.0 Meclium. textured soU .. Storm.a of moderate a. <br />b. Occ..ional !'bek frse- duration aDd ia.tensitJ <br />menu b. ~e1It CODVeeUve b. <br />c. Caliche layen (!.'1'"'f,,~-.. _-;ri.:~/;;.-r <br /> <br />(0) 1"1'7 (0) <br />.0 HlCh percentac. of.o Humid cUmate with .. <br />rock freement. rainlaU of low iDteu.. <br />b. Acgregated clay. sity <br />c. Rich in oqanic matter b. Prec:ipitatioa. i.Q form. <br />of SDOW <br />c.. Arid dimate, loW' in,. <br />tensity storms <br />d. Arid climate; r~ <br />con.vective stonns <br /> <br />(10) <br /> <br />6lf' <br /> <br />{} ~/r;7- t- <br />y'tf' <br /> <br />It) <br /> <br />LAND USE <br /> <br />RUNOFF <br />(4) <br /> <br />0-.,2 6-1'0 <br /> <br />TOPOGRAPHY <br />(oj <br /> <br />(10) <br /> <br />Rich peak Dows per .. <br />uait are. <br />Larae volume of flow b. <br />per unit area <br /> <br />1\ <br />~ <br /> <br />(5) <br />Moderate peak nows <br />per unit area <br />Moderate volume of <br />Oow per unit area <br /> <br />(20) <br /> <br />Steep upland slopes <br />(in excess of 30"!.) <br />Hich reUef; little or <br />no floodplain devet.. <br />opmeftt <br /> <br />(10) <br /> <br />.0 Moderate upland <br />Slopes (less than 2~.) <br />b. Moderate ran or nood. <br />Plein development <br /> <br />(0) <br /> <br />(0) <br /> <br />Gentle upland slopes <br />(less than Sill'.) <br />Extensive alluvial <br />pla~~ , 1 <br />X:c /61 <br /> <br />Low peak nows per a. <br />unit area <br />b. Low volume of fUIlof! b. <br />pet 11I1it area <br />c. Rare nmoff events <br /> <br />r--' <br />'-' <br /> <br />/' <br />/ <br /> <br />(c) <br /> <br />UPLAND EROSION <br /> <br />(h) <br /> <br />(10) <br /> <br />(25) <br /> <br />... More then 50'111 of the <br />area characterized by rUt <br />aad CUlly Ot landslide <br />erosion <br /> <br />a. More than 50'1. cultivated <br />b. Almost all of area inteQoo <br />sively crazed <br />c. All of area recently <br />burned <br /> <br />/. ~:I'-- .......',.ror..~r.~2f:';) <br />1/1...-- (.' '/" j <br /> <br />/ a <br />/ r7 <br />7J'c' :/>1(< ~>. <br /> <br />(0) <br /> <br />a. Le.s thaa. ~ cultivated <br />b. SO'lt or le.. teeeatl, <br />IOKid <br />c. Le.. than 50-,. inteaaiY... <br />I. puod <br />d. Ordinary rold mcl other <br />conauuctioa. <br /> <br />(0) <br /> <br />(10) <br /> <br />L About 25;'. of tbe area <br />cblU'acterized by rill and <br />cullY or landsUde erosion <br />b. Wiad Masioo with depo- <br />sition in stream channels <br /> <br />(-10) <br /> <br />(a} <br />... NO' appareat siens of <br />erosion <br /> <br />a. No cultivation <br />b. No recent louiDI: <br />c. !:-ow intensit'!' lmlltlin& <br /> <br />;r.. ~.::(! <br /> <br />r. <br />, <br /> <br />I Subtoul (e)-(K) J;S <br /> <br />(lnstructioPl$ on 'Cll~'$~) <br /> <br />1" <br /> <br />..,. A, <br />^a-. <br /> <br />Subtotol (h) - (i) /j;2 <br /> <br />)JU:l / j-~ <br /> <br />s- <br /> <br />CHANNEL EROSION AND <br />SEDIMENT TRANSPORT <br />(1) <br /> <br />(25) <br /> <br />a. Eroding banks continu- <br />ously or at frequent in- <br />terv als with large depths <br />and long now duration <br />b. Active beadevts and de- <br />c.r.l.ctatinn ~~hl1t".ry <br />chann-t.a..- .. ~ <br />Sc?~:z:::;.<--?- <br />(10) <br />e. Moderate now depths. <br />medi\lm now duration <br />with occasionally erodinc <br />banks or bed <br /> <br />(0) <br /> <br />a. Wide sballow channels <br />with nat gradient$ aad <br />short now duration <br />b. Channels in massive <br />rock. large boulders, or <br />well vegetated <br />c. Artificially controlled <br />channels <br /> <br />~ <br />='-0 <br />I :~~;Nl.G {,Z = ./1- ac.ft.!... mi.!'f. <br />vt! /'"<<..- <br />OF -L!t <br /> <br />SHEET <br /> <br />.3 <br /> <br />,1. <br />