Here's what other sites are saying:
The Garmin Topo U.S. 24K Southwest DVD lets you open USGS topographic maps from the southwest states on your computer and load them into your Garmin GPS receiver.
Garmin's new TOPO U.S. 24K gives you the highest level of topographic detail available. They have taken 24K topo data for the U.S. and have made regionalized coverage available on DVD or preprogrammed microSD cards with SD adapter. These new TOPO U.S. 24K regions will help ensure you're ready for your next backpacking, hiking or camping adventure.
- Mountains Plus
Garmin Topo US North Central 24K DVD US Mountain States Map Application / US Midwest Map Application
Garmin TOPO US 24K North Central microSD
National Geographic TOPO! California CD-ROM
National Geographic Wyoming Rocky Mountain Maps
Satmap National Geographic TOPO! Idaho SD Card
National Geographic Weekend Explorer 3D - Albuquerque & Santa Fe Areas CD-ROM
National Geographic Weekend Explorer 3D - Las Vegas Area CD-ROM
National Geographic Yellowstone National Park Explorer 3D CD-ROM