Tools to Import Data

• BLM Utilities (Sol Katz) sdts2dem32 -- converts SDTS-format DEM to standard DEM ftp://ftp.blm.gov/pub/gis/sdts/dem/win95/sdts2dem32.zip

• SDTS Extension (David G. Tarboton, Utah State) extension that converts SDTS-format DEM to grid http://www.engineering.usu.edu/dtarb/SDTSext.html

• FME evaluation copy http://www.safe.com/testdrv.htm

• sdtsraster2grid included with ArcView 3.2

SDTS DEM Files

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Finding Data for 3D Terrain Modeling

Acquiring and Converting DLG Data

Two-Dimensional Mapping and Modeling

Terrain Modeling with ArcView 3DAnalyst

Label Features on Digital Maps

Converting and Using SDTS Digital Elevation Data

DEM-Based Terrain Modeling

Making Data More Manageable