Garmin wrote:Despite the growing breadth of maps designed specifically for outdoor handhelds, sometimes the best map for a specific activity is only available in printed form or as a PDF or JPG file. Running the latest beta software releases for Garmin Colorado, Oregon (200, 300, 400 and 550), and Dakota devices, using paper maps with Garmin outdoor handhelds is easier than ever with Garmin Custom Maps. This unique feature allows users to combine Garmin map drawing technology with georeferenced map images, effectively putting a paper map inside your Garmin GPS. Creating a Garmin Custom Map for your Colorado, Oregon, or Dakota device is easy with the following steps.
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Ref: http://garmin.blogs.com/softwareupdates ... steps.html