Rules can be found in one of updates on Kickstarter page for the new release of this game.
I have tried to share the link (in Web Links) section but it was declined. As it seems there are silly rules that do not allow Kickstarter links (or similar services) regardless of the reason, purpose and context.
Also it seems that sharing such link in forums is also not allowed. So I'm not giving link here. But it is easy to find them with Google.
By the way what is a bit surprising is that currently Kansas Pacific doesn't have its entry on Queen Games pages.