Click any location on map to find downloadable maps for Garmin and compatible navigators. Then click 'show on map' link in search results to see the area covered by the found map.
L. Stenneth, O. Wolfson, P. Yu, and B. Xu. Proceedings of the 19th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, page 54--63. New York, NY, USA, ACM, (2011)