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Service Description:  This coverage outlines the boundary of the Loess Hills in Iowa at 1:100,000 scale. Criteria applied to the delineation of the Loess Hills included drainage density, drainage divides, density of isolated hillforms, crenulated contours, slopes greater than 15%, presence of catstep features, general loess thickness and earlier mapping. The following sources were utilized: 1:100,000 and 1:24,000 scale USGS topographic maps, USDA-NRCS STATSGO Soil Survey Grid Information, Digital Elevation Module, and the 1:2,000,000 Landforms of Iowa Coverage.
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MaxRecordCount:  2000
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Service Item Id:  8690c12d031a42a1a670d4c6d776e943
Copyright Text:  USGS & Iowa Department of Transportation 
Spatial Reference: 
102100
 (3857)
 LatestVCSWkid(0)
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Spatial Reference: 102100
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 LatestVCSWkid(0)
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Spatial Reference: 102100
 (3857)
 LatestVCSWkid(0)
Units: esriMeters
Document Info: 
Title: Map
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Comments: 
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Category: 
Keywords: Loess Hills,USGS,Iowa DOT,Iowa Department of Transportation,Assets,Inventory
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