You have a stone patch, maybe only a single point, somewhere in your iron field. Take a real close look. Happens to me often.

I've started 6 or 7 games now and have yet to launch a rocket =/ Keep getting frustrated with inefficient base design and starting over (ocd much... yes, yes I do). Just a couple quick newbie questions.... Can I add trees in the map editor? I've figured every else out just fine but cannot find where...