Generalized USGS Geologic Map of Eastern Alaska
![Generalized USGS Geologic Map of Eastern Alaska](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/AK%20Geologic%20Mapsim3340_sheet2.jpg?itok=pc9ElWDE)
Detailed Description
USGS map of eastern Alaska shows the generalized geology of the state, with each color representing a different type or age of rock. Source: https://pubs.er.usgs.gov/publication/sim3340