Southeast Region: Glacier Bay Forester Bernhard Fernow noted the young willow, bushy willow, alder, grasses, and spruce that grew in succession from sea level to 2,000 feet. At this point, older trees took over, leading Fernow to believe that the peninsula had been scraped by a 2000 foot ice sheet within the past century.

Geologic diagram of glacial formations, showing elevation and forested areas in one part of Glacier Bay. (top)