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<br />Plennlng And Prallmlnary D.algn <br /> <br />e <br /> <br />(such as :,iping). Sources may include; underground aquifer, infiltration from recent <br />rainfalls, dose proximity from irrigation sites, and wells. <br /> <br />5.3.8 Data SourceS' <br /> <br />Throogh the advancements in technology, data and data acquisition are readily <br />available. However, if funding permits, the engineer should acquire data based on tests <br />to be perf')rffied. If this is not feasible, then the engineer can contact a variety of agen- <br />cies,listed in table 5-3, for the appropriate data. If this methnd of data acquisition is <br />used, chances are that the data is not from the location desired and theoretical relations <br />may need to be applied. <br /> <br />TABLE 5-3 Sources cf Data <br /> om Deocrlplion Poeolble Sou,.,.. <br /> Map and Charts <br /> TOPOI~aphic USGS <br /> Soils USGS. SCS. Co Soil ConselVation District <br /> Geolc gic USGS, Local Geological Survey Divisions <br /> Land Use, Zoning COE. Bureau of Reclamation (USBOR) <br /> Aerial and other Photographs <br /> Color IR Aerial USBOR, USFWS <br /> Hydraulic sod Hydrologic <br /> Discharge Records USGS <br /> Stage Records USGS <br /> Velocity Records USGS. USBOR <br /> Sediment Data <br /> Type USGS, COE, USBOR <br /> GradlLtion (bed, susp.bank) USGS. COE. USBOR <br /> Climatoloj;iC Data <br /> Preci;:ntation Records NWS <br /> Tem~erat\D'e Records NWS <br /> VegetatioI1 <br /> Type and Age USFWS, SCS <br /> Dislr1 bution USFWS, SCS <br /> Geomorptic <br /> B asir Geology USGS. USBOR. Universities <br /> RivOl Characteristics USGS, COE,USBOR. USFWS <br /> e <br />62 Colorado Erosion Control Manual <br />