Well, first I just made a really wide corridor that came across from the west and then up to Canada, that covered most of the state. After reading your post, I tried to enclose the area with a narrower corridor, but I'm not sure I got it to work right because I didn't have detail in the enclosed area when I opened it on my GPSr. Finally, I just made rectangular maps big enough to encompas the area that I wanted, like you suggested, and saved it to my new 512 card, which has plenty of room for what I want. You were right, it wasn't worth wasting any more time when I had abundant storage available.
Thanks, much, for the help.
C