One of the conversion machines lies near the south pole, another at the north pole, and there are three others scattered about the rest of Kobar. Why do you need all five? Incorporating their subjects into their army, they went after bigger game, and before two hundred years had passed they commanded three fourths of Kobar. A journey on foot, or movement of an army, seems to take a couple of weeks. Or both. This in turn may have implications for the ecology of Ganymede, and for the amount of agriculture needed to support a given population. So its likely that on Resnicks Ganymede and on our Ganymede, the sulcus would amount to a roughly north/south wavy and wandering dividing line. If we look, we find between a handful of lowlands or smaller seas, themselves bordered by sulcus or mountains, a large broad flat area, which might well serve us as a desert. There are all sorts of craters, if we look at Ganymede, but relatively few of them result in large bright spots, indicating particularly powerful or particularly messy impacts. No described city is near a large body of water.
If we assume that the real geography is the landscape that Resnicks Kobar has, and if we assume atmosphere, oceans, seas a stable environment and frozen poles, then we can look at the balance of water and land, the distribution of mountains, and draw some conclusions. So this seems to be a loose parallel to Resnicks north south mountain range which divides the east and west on one side of the planet. Perhaps in terms of Resnicks Ganymede, these are the scars of the hemisphere destroying atomic war. There are signs that life has been evolving on Ganymede. Jupiter is about 650,000 miles from Ganymede. Ganymede is out around the orbit of Jupiter, which makes it five times further way from the sun than the Earth. Basically, they devised a way for the sun to provide us with a form of energy which became self perpetuating and thus heated our world. Its possible that due to the distance from the sun and due to the atmosphere, the photosynthetic process is simply using a different molecule and reflecting back a different wavelength. The city of Rombus is 225 miles due south of Kroth. Further down the road between Malthor and Rombus is the city of Vorsar.
There is a lost city of Korinth, keeper of scientific treasures, whose location is completely unknown. No details on its location. Assuming that the darkest areas represent deepest lowlands, and that lighter coloured areas are shallower, many of the shallow seas in the eastern hemisphere may well be dried out as a result of planetary dessication. If cyclical, then it may be considerably shorter. The priests prayed for deliverance from our plight, but to no avail: Then the scientists solved the problem, and when people saw that their religion and its spokesmen were fallible, they began drifting away from it. Then about eleven hundred years ago, a young priest named Tarafolga came to power. As long as Ganymedes active geology kept replacing it, it might go on for a much longer time, perhaps a hundred times as long, perhaps hundreds of thousands of years, perhaps tens or even hundreds of millions of years.
Ganymedes longest possible warm period is at best only a few hundred million years. Its possible that Ganymedes geology follows a similar pattern of heating and cooling. The life cycle of the supertrees might well incorporate Ganymedes hot and cold periods. The surface cools. Meanwhile, heat builds in the ever active core, until finally the crust melts and merges with the mantle, again, allowing a period of activity as the surface, once again full of volatiles, begins a new cycle of volcanism, outgassing and heat loss. Which of course, slowly bakes the crust dry, and begins the cycle all over again. But beyond the rain shadow of the ocean, things get dry, particularly the further south or east you go. Again, youve got an area dominated by a great big rain shadow. The other side of the planet is unknown to him, and all knowledge of it has been thrown away since the great war.