This is a map that illustrates the geologic characteristics of benthic habitats in Glacier Bay, Alaska. Although there are many different colors all over the map, they are useful to show how geologically significant Southeast Alaska is.
Here is a link to the article this illustration is presented in: http://pubs.usgs.gov/of/2006/1081/results.html
Here is a link to the individual image itself: http://pubs.usgs.gov/of/2006/1081/images/fig6.html
