SOFTWARE TOOLSArcView and Spatial Analyst

• Vector GIS: ESRI’s ArcView 3.0 ($1,200)

• Raster GIS: ESRI’s Spatial Analyst ($2,500) (both for $3,500)

  • Can directly (w/o translation) read USGS DEM (*.dem) files
  • An ArcView extension (add-on)
  • Comes with a free “hydro” extension

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