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[Matthew J. Rutherford]

I recently downloaded GRASS 4.1 from the moon ftp site.  I have also been 
trying to compile some of the related programs, but do not seem to have 
the command gmake 4.1.  I have also been trying to implement the 
hydrologic model r.hydro.CASC2D and r.answers which was supposed to be 
included in the 4.1 release.  If anyone knows why I don't have the gmake 
command, or has any information regarding good hydrologic models for use 
with GRASS I would greatly appreciate it. 
Thanks,
Matt Rutherford