Report of Field Examination: Little Dry Creek Watershed

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- 4 - 6hallou terrace and bottomland sails developed on coarse textured alluviur: are of minor exte at. itieir are quite •varifble3. They occur on 4s1vpes of less than 2 1 , anO erosion is slittht. The t©rraae and battomland soils are Conerally either deep or moderately deer. These brown and dark brown soils usually have loam or clay loam sti.rface textures but there e"re areas o.' sandy loam. 'ilia Subsoils are moderately or slowly ", ?e rsne €xbles. clones razxre from U- to 2 and oromion is slight. L6ome loom do.position is evident. A high ground water table and accompanying salinity Zo a problem in many pl ° cea outs terraces. In general the entire bottoznlrand area host of the 'Istte - iv-e is affected to soc, extent by either rr oiv3d water or Salinity. Sand or gravel is oonr=nly round at deaths of 2 to 5 feet in the river valley. SponsrorixV 0r%, , ani xations About lu sq«xlre miles of the watorsnesd lies in the .Platte "valley 6CD, 7 squs.re :miles in Why; gnat ':dams Shc; rind 12 squure miles in the Loagrzont Cli. 'rho application is ait•zied only by the Platte Valley 60D but it expeets to secure the others as co- oponsors. A rzinor problem exists in that one Square mile at the top cif` t v. drain-age is in the Boulder ::alley SCD. 'ro j e3et iRa �eti.v46 The - Platte Valley board of su ervisors believe that danagea can be pr e'certe d by the com.binati.on of band treatmeiit r,iersurez and detention structures, and ohaxnel rstre.i *hteanitis;. tel ic�ra taut a ��a :,r ur�rt Cf flood Prevention on "'Ali c iv&ter�- stied can be achieved by the applioution of land treatment neasures by individual farmers and razichors on their own lrxnds. At r,resent only about 10% of the land has land treatment measures in effect. In addition, sore agree 0nt she -111d be nec;otiated with the irrigation companies �iasting Crater into Little Dry Creek to achieve another nart of necessary flood proteation and prevention. A limited