![](https://cdn.myportfolio.com/44b8374c-5758-4aa0-b67e-1a860c4711e6/ac6da234-a376-41b9-9cdc-38539454e92e_rw_1200.jpg?h=d857c5d720c7acae3ef55c00e4e2f655)
Geologic Map of the Bald Hill 7.5-minute Quadrangle, Thurston, Pierce, and Lewis Counties, Washington, by Michael Polenz and others, Washington Geological Survey, 2023.
![](https://cdn.myportfolio.com/44b8374c-5758-4aa0-b67e-1a860c4711e6/c665576f-158e-46e0-9a77-1505f3a4f4f2_rw_1200.jpg?h=4ef6ffc0cc86b1743a5db1ccffcbc09b)
Geologic Map of the Bald Hill 7.5-minute Quadrangle, Thurston, Pierce, and Lewis Counties, Washington, by Michael Polenz and others, Washington Geological Survey, 2023 (detailed view).
![](https://cdn.myportfolio.com/44b8374c-5758-4aa0-b67e-1a860c4711e6/3edd4eb5-a3f2-4b63-8c9f-fcdfc78a7f75_rw_1200.jpg?h=ae5c1db5ce259c4223d2a5cc2046e2cf)
Geologic Map of the Kittitas and East Kittitas 7.5-minute Quadrangles, Kittitas County, Washington, by Andrew J. Sadowski and others, Washington Geological Survey, 2023.
![](https://cdn.myportfolio.com/44b8374c-5758-4aa0-b67e-1a860c4711e6/cfc0548d-0556-4905-aa47-a5204852c8c2_rw_1200.jpg?h=8f61bd5959adec5d317ddfa03d26bbbc)
Geologic Map of the Kittitas and East Kittitas 7.5-minute Quadrangles, Kittitas County, Washington, by Andrew J. Sadowski and others, Washington Geological Survey, 2023 (detailed view).
![](https://cdn.myportfolio.com/44b8374c-5758-4aa0-b67e-1a860c4711e6/21640341-31c2-43b4-830b-fbd6aef1a479_rw_1200.png?h=daa04a0c4b2043d8defc1bcbf0480943)
Geologic Map of the Hood River Valley, Hood River and Wasco Counties, Oregon, by Jason D. McClaughry and others, Oregon Department of Geology and Mineral Industries, 2012.
![](https://cdn.myportfolio.com/44b8374c-5758-4aa0-b67e-1a860c4711e6/2433f584-a409-47ca-82bb-55820c8996f4_rw_1200.png?h=8e3779a7876127fa30802be2baf16cfb)
Geologic Map of the Hood River Valley, Hood River and Wasco Counties, Oregon, by Jason D. McClaughry and others, Oregon Department of Geology and Mineral Industries, 2012 (detailed view).
![](https://cdn.myportfolio.com/44b8374c-5758-4aa0-b67e-1a860c4711e6/0d8f16df-7178-44f1-bf9f-36b1b8d882f0_rw_1200.png?h=c0de3a175baf4ddb8c469d228fb95311)
Geologic Map of the Cape Blanco and Sixes 7.5-minute quadrangles, Curry County, Oregon, by Thomas J. Wiley and others, 2014.