Cal. Div. of Mines and Geology cdmg at
Wed Jun 2 18:53:59 EDT 1993

Hello.  We are working for the state of 
California and are using the GRASS GIS
system.  We have, however, had a few 
difficulties in importing DEM data that
we obtained from the USGS ftp site. So...

How do you create GRASS raster files
from a DEM on line file that was acquired from ftp.
The  m.dem.extract program expects the
data to be on a tape and we need to know the
block size.  What do you do with a file on-line
that does not really have a block size?
Thanks for your help.

Bob Moskowitz and Mark Petersen

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