Digital Elevation Model (DEM) Information *** NOTE: Make sure to set the file transfer mode to binary if utilizing FTP to recieve data files. RECORD DELIMITERS: The DEM files do not contain record delimiters. You can add delimiters by using the following UNIX command: dd if=inputfilename of=outputfilename ibs=4096 cbs=1024 conv=unblock DATA FORMAT: For specific information concerning the dataset, US GeoData users guides are available through anonymous FTP at the following site: nmdpow9.er.usgs.gov Read the file "readme" in the public directory to find the directory location for the word processing or plain text versions of the Data Users Guide 5, "Digital Elevation Models". It is recommended that users download and read these files before transferring detailed information. To purchase a hard copy of any users guide or for further information about Internet access to US GeoData files, call 1-800-USA-MAPS or contact: U.S. Geological Survey EROS Data Center Customer Services Sioux Falls, SD 57198 605-594-6151; FAX 605-594-6589 E-mail: custserv@edcserver1.cr.usgs.gov