Sorry, I haven't done it with GRASS but with a FORTRAN-Program running on an
IBM 3090 under MVS (a horrible OS). I used the code published in Compters
and Geosciences by Yuan and Vanderpool, sorry, I don't remember the year
right now. Could you post a summary of answers you got? 

Stefan Jaeger				currently at
Dept. of Geography			USGS	
University of Heidelberg		National Center
INF 348					Reston, VA 22092
69120 Heidelberg			USA
Germany
stefan@geo0.geog.uni-heidelberg.de	sjaeger@resdgs2.er.usgs.gov

*********  sorry, no fancy name tag  *********  

> 
> We would like to get the names and addresses of people who
> are using GRASS and DEM data to generate a stream drainage
> network and the derivative quantitative geomorphic
> parameters (Horton-Strahler or better).  That is, who has used
> GRASS to get stream orders, and number, length, slope,
> drainage area, etc., per order?  We know of this having been
> done with ARC-INFO, and we know of Garbrecht's generation
> of these data with Fortran, but who has done it with GRASS
> only?
> 
> 


