You can view segments of the maps at the Garmin site and it will show you how much detail there is. Go to http://www8.garmin.com/cartography/mapSource/topous.jsp# and on the far right side of the page, you'll see a link to Mapsource Map Viewer Topo USA 2008. Click on that and zoom in to your area. Yes, you can download the map segments to your unit.
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You can view segments of the maps at the Garmin site and it will show you how much detail there is.
Go to http://www8.garmin.com/cartography/mapSource/topous.jsp#
and on the far right side of the page, you'll see a link to Mapsource Map Viewer Topo USA 2008. Click on that and zoom in to your area.
Yes, you can download the map segments to your unit.