garmin

So I've been thinking for a quite some time now about gridding off a park (on paper) with the help of a handheld GPS unit and Google Earth. Has anyone done this? I'm trying to hunt a huge park but not really overlap where I'm hunting. I'd also like to grid off some smaller parks as well. For a...

I'm smarter than the average bear when it comes to computers (I worked for Apple as a Creative) but this GPS stuff has me flummoxed. I have a GARMIN I just bought for my car, but I'd like to be able to use it for relic hunting. Some old/new map sites allow me to get "coordinates" but then when...