Washington Geological Survey


New 1:24,000-scale geologic mapping released

On November 22 we released an update to our 1:24,000-scale geologic mapping. Visit our Geologic Information Portal to view and download the data.

We have a new State Geologist!

Casey Hanell joined the Washington Geological Survey on October 1, 2019 as our new State Geologist. For more information about Casey read the DNR press release or take a look at Casey’s profile.

Visit our blog to see more announcements and updates.