Just noticed this, for what it's worth...
See: http://www.gpsfiledepot.com/tutorials/how-to-create-garmin-topo-maps---part-1---setup/
QuoteI will not go into a lot of detail on how to use this excel spreadsheet at this time. The descriptions are available in the article and as I use each feature it will be metioned.
The link to the article doesn't work. It takes you to the index page for the tutorials - http://www.gpsfiledepot.com/articles/100k-quad-lists-and-dem-links-for-each-state/
Fixed. It was supposed to auto-redirect. Oh well I guess.