- Green River Gorge, 4 mi. E. of Black Diamond1
- Horse Headven Hills, Yakima Indian Reservation1
- In a cannon near Columbia River, Wallula1
- Island1
- Jefferson1
- Maryland1
- Marysville1
- Mt. Adams, above Bird Meadows1
- Mt. Rainier National Park, Van Trump Trail, between Christine and Comet Falls, on south side of Mount Rainier1
- Mt. Rainier National Park, above Paradise Inn, trail to Alta Vista1
- Near Seattle1
- Near bridge between Fidalgo & Whidbey Island1
- Olympic National Park, Hoh Valley, along roadway ¼ mile west of Hoh Ranger Station1
- Olympic National Park, Olympic Ocean Strip, Ruby Beach1
- Olympic National Park, along Hoh River trail1
- Port Angeles1
- Port Angeles, lower Elwha River1
- Pullman1
- Seattle1
- South of Wallula1