Four New 1:24,000-Scale Geologic Maps Published!

We recently released four new 1:24,000-scale geologic maps covering parts of Thurston, Pierce, Lewis, Kittitas, and Stevens Counties. The new geologic maps include: You can access and search through all geologic maps from the Washington Geological Survey via an interactive map here: Washington State Geologic Map application Below we include additional information about each publication, […]

Announcing the release of the Lake Joy 7.5 minute quadrangle map

The Washington State Geological Survey (DNR Division of Geology and Earth Resources) is pleased to announce the publication of the Lake Joy 7.5-minute quadrangle geologic map. This map is part of the division’s plan to map around the active southern Whidbey Island fault zone as well as the subsidiary Carnation and Cherry Creek fault zones […]