Ignitus escapes with the purple dragon's egg, leaving it to drift downriver into a swamp, hoping for the best.
A new plan for dumping sewage far out at sea via boat, rather than simply releasing it downriver, was also formulated.
It fills up too easily, the water rises and the outlet to take the water downriver is insufficient.
Downriver, at the mouth of the river, water was mainly used for low value crops and irrigation methods were less efficient.
The confluence area was too marshy to build a town, so they selected a site downriver.
The guardsmen who had tracked the bear downriver realized that they were not, in fact, on its trail.
The heroes from the downriver trip are taken in an elfin airship to the moon.
Two barges were used to transport the dredged material 19 km (12 mi) downriver and from there to a disposal site four miles offshore.
