Version history for: Richter, Donald H., Preller, Cindi C., Labay, Keith A., and Shew, Nora B., compilers, 2006, Geologic map of the Wrangell-Saint Elias National Park and Preserve, Alaska: U.S. Geological Survey Scientific Investigations Map 2877 [available on the World Wide Web at http://pubs.usgs.gov/sim/2006/2877/ ]. October 27, 2006 Initial release online at http://pubs.usgs.gov/sim/2006/2877/