I have used my Garman map 76 for years in my crew bus. by using breadcrumbs it is very easy to get back to where you started. I have traveled for hours on Forest Service roads to get to a fire, with breadcrumbs turned on, then I knew how to get out. The first order of owning a GPS is Read the book

_________________________
Some people try to turn back their odometers.
Not me, I want people to know "why" I look this way
I've traveled a long way and some of the roads weren't paved