Spoiler

I suggest sending a lemming over as a climber, and turning him around all the way at the end of the second island. You could probably mine through one of the obstacles.

[/quote]You can turn them around at will without a blocker?

Hmm, now that I look at the maps, that's not actually what I'm talking about.

The map I meant is this:


That's a SEGA genesis version of the map, I believe.  Pretty weird, I'm sure I remember the grass being on the bottom!

Has anybody finished this level?  The one time I committed myself to playing the whole game, this is where I gave up.  It's impossible.