Famed Globs and Blobs of Oregon Coast - and Not-So-Famous
Rocks - Pacific NW Beachcombing Rocks and minerals, Agate rocks, Rocks and gems
Common Beach Stone Identification (Including Dolomite, Quartz, Serpentine, Syenite, and More) - Owlcation
9 Rocks and Minerals Found in The Pacific Northwest - Rock Seeker
9 Rocks and Minerals Found in The Pacific Northwest - Rock Seeker
What's going on with this rock? Found in Northern California on a river bed. : r/whatsthisrock
Rocks - Pacific NW Beachcombing
Seaweeds of the Pacific Northwest – A Guide to Identifying 25 Common Seaweeds of the Washington Coast
Big Boulders Salish Magazine
Pacific Northwest beach rock. Sort of green with white bits, very hard : r/ whatsthisrock
Geology of Rocks: Treasures From the Beach and Where They Come From - Coastal Interpretive Center