Here we can see the errors: In the black points we can see the real position of São paulo, Campinas and Curitiba cities and in orange spots the points were these cities were positioned by mistake. You can see as they swapped Paranapanema river by Ivaí river, that is smaller and usually isn't put in evidence in small maps of the area.
![Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 13034 W: 174 N: 27002]](http://i1.trekearth.com/misc/g-g-g.gif){kind=small}
