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<br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />1 <br /> <br />1 <br /> <br />I <br /> <br />1 <br /> <br />11cM"7 <br /> <br />1 <br /> <br />I <br /> <br />I <br /> <br />I: <br /> <br />1 <br /> <br />1 <br /> <br />1 <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />lV-](j <br /> <br />,(/d ~"-f" ., U All T '/ <br />//'05MI'7=rlvtJ? Condition <br />Name nAP. ...-6.i./J1 <br />Date 6-; 7- fa <br />cn/-{)6(C .8A?)( tf7JtJ;t/J) $.,D <br /> <br />J'AG.fIH' Wt?511 <br />T); J!r<d'twJ5 <br />. v <br />'/Jw~A'w-1 $,e- j 1)?'.{ ~)3~ <br />Acres <br /> <br />Watersbed <br /> <br />f./ T State <br /> <br />Subwatersbed <br /> <br />PSIAC - 1968 <br /> <br />C~4 ;2-S-? <br /> <br />SEDIMENT YIELD FACTOR RATING <br /> <br />N <br />N <br />CO <br />(), <br /> <br /> SURF ACIt GEOLOGY $OILS CLIMATE RUNOFF TOPOGRAPHY <br /> (.) (b) (c) (<I) (e) <br /> (10) (10) (10) (10) (20) <br />.. Marine Ihales and re- a. Fine textured; .asi- .. Storms of several .. HiIIh poole no... per .0 Steep u"land 510"'.- <br /> iated mudstone. ."" 1, di."ersed; saUce. day.' duration with unitatea n f 3<W.) <br /> silteto.... oIk.Une; hleh shrink- short period. of In- b. Laree volume of flow b. ~igb relle~ little or <br /> ~~well characteristics tenae tainfall per unit area tto floodplain deve!.. <br /> ( b. Single pain silts and b. Freq~ftt inten.. COD j opalent <br />1Y'~cll fln. ...ads vecUve storms <br />f2~ ~-r.c:~ c. Freeztt-tha'lll OCCUI' <br /> .d4/.r.c~./ Cu"r ....ce <br /> (5) (S) (5) (5) (10) <br />.. Rocks of medium. .0 Mediutb. textured soil eo Storma of moderate a. Moderate peale: no... .. Moderate upland <br /> hardnesllI b. Oceastonal rock frag- ~~u.n end In.ensity per unit area slopes (less than 20,..) <br />b. Moderatl!'ly weathered ments b~' requent convective b. Moderate volume of b. Mod.,rate fan or flood- <br />c. Moderately fractured c. Caliche layers torm. e II now per unit are. plaiu development <br />r )fJ;VJC{JS f)~J' 7/~, . <br /> (0) (0) (0) (0) (0) <br />a. Massive, hard forma" .. Hieh percent ago of a. Humid climate with a. Low peale nows pe' a. GenUe upland slopes <br /> tions rock ftagments rainfaU of low intea.- unit area (les, than ser.) <br />r ~:{,..l., (U.{'ftl ,,1 b. Aggretated clays sity b. Low 'Volume of runoff b. Extensive alluvial <br /> J') .:/.r) c. Higbilt organic matter b. Precipitation in form per Wtit area plains <br />ff'1'..'.' . /1,- ij"~<'- f of snow c. Rare hlnolf events <br /> r f'/Jt ~/;; l.(Iqf'i~., c. Arid <:limate, low in- <br /> tensity storms <br />;?/C'I t'5(j,',1 ~l/;;( /,,:;(, (-0"1: J r 1,'._' d. Arid climate; 'OM <br />!j;OJr"{L} (//)'.',I,IJ ('/:" convective storms <br />Factor, , 9 g- ? ,.. <br />value 3 <><-C) <br /> GROUND COvER LAND USE UPLAND EROSION CHANNEL EROSION AND <br /> SEDIMENT TR2\NSPORT <br /> (I) (g) (h) (I) <br /> (10) (10) (25) (2S) <br />Ground cover does no. ex- .. More than SO'J'. cultivated a. More th... 50'!. of the a. Erodlnc bonks continu- <br />coed 20'l. .. Almost all of area int6n- area characterized by rUl ously or at frequent in- <br />a. Vegetation sparse; little sively grazed and gully " lands lide tervals with large depths <br /> or no Utter e. All of are. rece'nUy erosion and loog flow duratian <br />b. No rock in surface soil burned b. Active headcuts and de- <br /> / "'/<~c r/..';il '" gradatian in tributary <br /> )5'~ channels <br /> '- -, , <br /> X :eel{ 61(' (0) (0) (10) (10) <br />Coyer nClt exceeding 40'1. .. Less than 25,". cultivated .. About 2517. of the -. .. Moderate now depths, <br /> a. Noti<:eable litter .. 50'!\ o. less recently characterized by rill and medium now duration <br />b. U trees present Uftder- 10eged gully or landslide erosion with occasionally eroding <br /> atory not well developed c. Less than 50'1. lnteftsi~e- b. Wind erosion with depo- DeDltS or Ded <br />~ I)' crazed sition in stream channel. >U,t. w~ <br /> d. Ordin.ary road and other <br />1/a.,Jif!J-I,tJLlir .570 ~on.U'\l\,;don sdjlG'>- fl>o.<"::nCd 1-"""',2 <br />V (-10) (-10) (0) (0) <br /> .. Area completely protect- a. No cultivation .. N.. apparent sl&ns of .. Wide shaUow channels <br /> od .y vegetation. ,ocle b. No recent loggina: erosion witb nat gracUents and <br /> freg:tD.ents. Utter c. Low intensity grazinC short Row duration <br />b. LitUe opportunity fo. b. Channels in massive <br /> rainfall to reach erodible /tIJ' O~r~ rock, la.rge boulders, or <br /> material well vetetated <br /> c. Artificially controlled <br /> channels <br />Factor, I 0 -s t /d <br />value <br /> I Sub'o,ol (a) - (e) ,] '1 Subto'.1 (h) - (I) It I TOTAL S 2:- 16 <br /> RATING - - - - -. - ac.ft./sq. mi./yr. <br /> <br />inW() <br /> <br />Y'I..'O <br /> <br />(Instructions an relJerse) <br /> <br />j,J' y~ <br />SHEET ~ OF ~ <br />