Ok Im reading this"
How can I load both these maps and the commercial maps at the same time?
From within Mapsource, select one set of maps, and then change products, select the other set of maps and finally upload them both at the same time to the GPS.
Im not sure how to do this part in Mapsource? I have the program up but dont see where to select them from!
But Im betting that since I DONT have the TOPO map on my computer (its a friend that loaded the topo for me) I wont see this--correct. I bet I have to get the Topo map installed first onto my computer>