USGS Glacier Inventory — Alaska

USGS inventory of glaciers in Alaska. Extent, area, and change over time.

Why this data matters

Alaska has ~27,000 glaciers covering 75,000+ km².
Glacier retreat affects hydrology, access, and land availability.
Glacial deposits indicate mineral transport paths.

Data source

Field	Value
Agency	U.S. Geological Survey
Coverage	Alaska

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