From the NannyMUD documentation

LAST CHANGE

2000-12-16

TOPIC

NAME

        terrain - Various supported terrain types.

DESCRIPTION

	To get a list of terrain properties you can set in a room, use
	the command 'lookupp Rooms'.

SEE ALSO

        lookupp in std/module/default/lookupp
        lookupp in std/module/propmod/lookupp