1/20/2018 Topic: New city and geoboosters RicoSuave	If a city happens to be in decline, deploying a geo boost merely slows the rate at which population declines. In other words, a geo boost does NOT automatically shift a population from one in decline to one that grows. On the other hand, should a population actually be growing at the time of deployment, the expected "boost" occurs, and the effect operates for exactly 100 turns.
1/20/2018 Topic: New city and geoboosters RicoSuave	Also, I don't believe that geo boosts stack, I recall reading somewhere. But you should ask the dev regarding that point.

---