Morty Comix # 2587 was drawn into the beach at Moclips, Washington. The tide came in too fast for me and washed away the first attempt before I could record it. Point Grenville is in the background.
"Pacific Beach, Washington. The beautiful Pacific Ocean provides a dramatic background for this aerial of one of the finest razor-clam beaches in the world. In upper right is Point Grenville."
No later than 1981, but probably solidly in the 1970s.