20,000 years of icework, and its expression on the land

At Juneau, marine sediments dating to 13,000 BP have been found at 750 feet above sea level. Considering world sea level was more than 300 feet lower at that time, this represents more than 1000 feet of land depression under heavy ice.

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Reading Southeast Alaska’s Landscape


This book tells the constantly evolving story of geology in our region.  It tracks how bedrock forms, how glaciers wax and wane, and how rivers and the sea shape our land.  While the book offers a general introduction to bedrock and surficial geology, it also focuses in on regional geologic highlights.  It is a must-have for nature enthusiasts in Southeast.