Fossils found in the Pacific Northwest in Jefferson County on Marrrowstone Island, Nordland

Found these fossils in Jefferson County on Marrrowstone Island, Nordland at the Kinney Point State Park. Wondering if any of these rocks have fossils in them or are just strangely colored.

​

https://preview.redd.it/fpwkmv5ewh871.jpg?width=4032&format=pjpg&auto=webp&s=b4814ddfc595946953d09bc4e100e41da4eb1c94

https://preview.redd.it/ziyk0wjbwh871.jpg?width=4032&format=pjpg&auto=webp&s=23c2ad89785ba39ad6bc83bea647a283464157f1

​

https://preview.redd.it/ksln34k6wh871.jpg?width=3024&format=pjpg&auto=webp&s=92d6798883f9ba82935663213118376fcd8f9cd8