Released in 1999
GRASS 4.2.1 (developed 1998-1999 by University of Hannover) has been superceeded by GRASS 4.3 (a derivitave of GRASS 4.2.1). Please refer to GRASS 4.2.1 or GRASS 4.3 for information.
Download GRASS 4.3 (latest 4.x release)
© 1999-2002 GRASS Development Team