On May 29 we released a new fact sheet about geologic mapping in Washington State. Click here to download the fact sheet. Read more about surface geologic mapping on the surface geology page.

On May 3 we released a new fact sheet about groundwater in Washington State. Click here to download the fact sheet. Read more about groundwater resources on the WGS groundwater page.

On March 15 we released an update to the Washington Tsunami Design Zone for the new Washington State Building Code. Read more on the updated WA-TDZ webpage.

On March 12 we released a new aggregate resource map for Skagit County at a scale of 1:100,000. Click here to download the map and pamphlet.