Washington Geological Survey


New Data Preservation Website released

On July 11 we released an extensive new website providing access to digital versions of preserved media such as thin sections, field notebooks, and much more. Get started exploring the site here.

Are you a land-use planner? Take our survey!

We are interested to hear how planners are using WGS maps and data to make land-use decisions. Let us know what you think by taking our survey.

New Klickitat alluvial fan mapping publication

On June 26 we published a new inventory of alluvial fans in Klickitat County. Download the publication here, or view the data on our Geologic Information Portal.

New Klickitat alluvial fan story map

On June 26 we published a new story map about the intersection of wildfire and alluvial fans in Klickitat County, to accompany a new report and new alluvial fan mapping.

Intermediate-scale surface geology update

On June 23 we published an update to our database of surface geologic mapping at scales of 25-99k. You can view the data on our Geologic Information Portal or download them here.

New Booklets, Fact Sheets, and Posters webpage

On June 22 we published a new webpage that gathers all of our booklets, fact sheets, and posters into one place so it is easier for you to find them. Check out the webpage here.

Visit our blog to see more announcements and updates.