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Hello, I've installed the Becker and Wilks maps, mapdata, and mapproj packages so I can begin to try these out for some work I need to do on a map of Alaska but I don't know where to find a map of Alaska. Has anyone solved this already and could help? Thanks very much in advance, Caitlin

Hi, we all know that R is powerful in dealing with graphics. I am now trying to use R to show some geographic attributes for a specific geographic area on a graph. For example, if I would like to generate a graph showing the population densities (in terms of the intensity of colors) for Illinois State by zip codes. I did some research; and it seems that package "maptools" is