Hi: I have read al the GRASS 4.1.2 manuals that there is a command called r.water.outlet, I have installed GRASS 4.1.2 from a CD-ROM and this command does not exit. Where can I get it?. Thanks in advance Gonzalo Carrero fa2capeg at trajano.uco.es Servicio Centralizado de informacion del territorio. Còdoba.Esp.