Thanks JoeFred, your maps are awesome by the way. Silvercreek - no apology necessary, this is a photography/fishing forum after all. I have absolutely zero experience with the slide conversion; I have scanned many film photos but never slides. You may have already done this, but a quick Google search turned up this site that compares a lot of methods:
I'm sure there are some other folks here that have done this before and they may have some other ideas.