1:24K-equivalent topographic maps for Montana in the Garmin .img format are now available from miscjunk.org, also the source of topo maps for Colorado, Wyoming and Utah. Installs in MapSource.
MiscJunk is working on a set for California, but there’s one available now here. This is a 1-GB plus gmapsupp.img file that will have to be copied directly onto a 2-GB or larger microSD or SD card (depending on the Garmin model); it won’t fit on models that have built-in memory.
Related posts:
- World OpenStreetMap Data In Shapefile, XML and Garmin Formats
- Beating The Garmin 2025-Map Limit With US Topo Maps
- High-Res Garmin Topo Maps For CO, WY, and UT (also Argentina, Uruguay and Chile)
- Free Tools For Custom Garmin Vector Maps XVI: Map Uploaders And Managers
- Uploading .img Map Files to A Garmin GPS Unit With IMG2GPS
- Garmin microSD Card Tricks
- Make Your Own Topo Maps For A Garmin GPS Unit
- Free Routable Street Maps For Compatible Garmin GPS Units
- High-Res Garmin Topo Maps Now Out For Utah
- Breaking Up A Garmin gmapsupp.img Map File Into Separate Map Tiles

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