Hi,
I just don't get the slope rules to OV ( ditto: PGP).
In the cut out above the slope lines are in hexes P 26 , Q27, R27 and S 27.
These hexes - R 12.22 - are said to be " downlslope" and represent a dip to the hexes north of them. These are 3/4 of as level higher than lower terrian...