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1 J EXHIBIT I SOILS Loam? alluvial land, gravelly sabstntam Ilvl ocean ae smell areee in major dninageway~t. It ie a principal soutve of grovel. Nearly all arem are subject to flooding ham streams, rand the floods often ate damaging. The soils an shallow and strvtified. The stns are of moderately come teztvred to m~odentely fine tez- ntred material that in underlain by river sand rand grovel. In some places the soils are slightly influenced by soluble salts Tha soils of thu Innd type nheorh~ enter rat n rapid to slow rate. The nyailable water ra pacify is loo. brat many arem have a high Hater fablo that is beneficial to plant gronth. )inch of this Innd type is ctiltivated and irrigated. •Tho principal crape art trnck trots ndepted to the area, mainly celery, melons sneer cont. tomntaes. letntee. mrrots, onions. and nbbsge. The beet growing conditions can be mainmined it the normal mater [able is rnn• tolled so that it remains at n depth of IO to 20 inrha belon the surface daring the groping season. Other ir- rigated crops include ps+mn miature:s that tetluire some irrigation but rare partly sustained by the pater enble N the gave! lavers Some of this land type ie in native gtaa. mainly ncRen nheatgraa. snltgraa, blue promo, rand snitch- gnss The wetter areas ptaiuce sedge, rosha. rand cat• oils. This vegetation is largely sustained by tha natural water table and by flooding. Little irrigation is needed. w~c ~um~~ Lavta Wet alluvial land tW0 u on the nearly level bottom lands of the larger streams nezt to stream channels tltroughovt the manly. The areas Hoge from 20 to 150 actee in aizn Thia land type is wet most of the time and is flooded by etrssmflon once to several limn a year during penode of high water. Included in mapping ate small itvie of Loamy alluvial land, moderately net, a fen small sand and gravel ban, and ones underlain by heavy clay, commonly rolled ozbosrs. The mnterinle an es[rtmeiy variable in tezturt: they soloist of stratified layers of dark-colored silt, loam, and clay. The lavers art generally lea than 8 inches thick and an underlain by sand, fine sand, and some gravel at depths of 1 l0 3 feet They an wet at a depth of 2 feet moat o[ the time and are commonly net to the surface throughout the growing season. Natural fertility is moderate to good. Artae of this land type have a vegetative cover of mtertolennt plants such ae atolls sod sedges. end an not suitable for cultivation. 6eauee of the hassrd of flooding from streams and a high hater table. Under improved management, the production of native grey for grazing or hay is good. Generally a fen cottonwood frets and willows are prexnt. Capability unit Vn-1, irri¢ated; Wee Madow range site; tree planting suit- ability group 4. ~17~