A Century of Retreat at Portage Glacier, South-Central Alaska

Fact Sheet 2006-3141

U.S. GEOLOGICAL SURVEY

Figure - refer to figure caption for alternative text description

Figure 1. Approximate terminus positions of Portage Glacier 1914–1999 (Modified from Mayo and others 1977 with additional USGS imagery). The 2006 location is very similar to the marked 1999 location. U.S. Forest Service Begich, Boggs Visitor Center location is marked. Portage Glacier is located in south-central Alaska.

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