Examining Rock Layers in the White Hills of the Alaska North Slope
![Examining Rock Layers in the White Hills of the Alaska North Slope](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/Lower-Tertiary-non-marine-strata.jpg?itok=V4CT4zJU)
Detailed Description
USGS scientists examine rock layers in the White Hills of the Alaska North Slope, part of the Central Yukon Planning Area where the USGS recently completed a mineral assessment for the Bureau of Land Management. Photograph credit: Dave Houseknecht, USGS