Alan Cressler: Boston Creek, Cascade, North Cascades National Park, Skagit County, Washington 2
Alan Cressler: Carbon River, Mount Rainier National Park, Pierce County, Washington 1
Alan Cressler: Carbon River, Mount Rainier National Park, Pierce County, Washington 2
Alan Cressler: Cascade River, from Mineral Park West Campground, Mount Baker-Snoqualmie National Forest, Skagit County, Washington 1
Alan Cressler: Cascade River, from Mineral Park, West Campground, Mount Baker-Snoqualmie National Forest, Skagit County, Washington 2
Alan Cressler: Chinook Creek, Mount Rainier National Park, Pierce County, Washington 1
Alan Cressler: Chinook Creek, Mount Rainier National Park, Pierce County, Washington 2
Alan Cressler: Green Ravine, Sitkum River Gorge, Olympic National Forest, Clallam County, Washington 1
Alan Cressler: Green River, Green River Gorge, Flaming Geyser State Park, King County, Washington 1
Alan Cressler: Green River, Green River Gorge, Flaming Geyser State Park, King County, Washington 2
Alan Cressler: Green River, Green River Gorge, Sandstone Cliff, Eocene age, Puget Group, Flaming Geyser State Park, King County, Washington 1
Alan Cressler: Hoh Rain Forest, Hoh River Valley, Olympic National Park, Jefferson County, Washington 1
Alan Cressler: Hoh River, Hoh River Valley, Olympic National Park, Jefferson County, Washington 1
Alan Cressler: Hoh River, Hoh River Valley, Olympic National Park, Jefferson County, Washington 1
Alan Cressler: Hoh River, Hoh River Valley, Olympic National Park, Jefferson County, Washington 2
Alan Cressler: Hoh River, Hoh River Valley, Olympic National Park, Jefferson County, Washington 3
Alan Cressler: Hoh River, Hoh River Valley, Olympic National Park, Jefferson County, Washington 4
Alan Cressler: Hoh River, Hoh River Valley, Olympic National Park, Jefferson County, Washington 4
Alan Cressler: Hoh River, Hoh River Valley, Olympic National Park, Jefferson County, Washington 6
Alan Cressler: Hoh River, Olympic National Park, Jefferson County, Washington 1
Alan Cressler: Hoh River, Olympic National Park, Jefferson County, Washington 2
Alan Cressler: Hoh River, Olympic National Park, Jefferson County, Washington 3
Alan Cressler: Hoh River, Olympic National Park, Jefferson County, Washington 4
Alan Cressler: Hoh River, Olympic National Park, Jefferson County, Washington 5
Alan Cressler: Hoh River, Olympic National Park, Jefferson County, Washington 6
Alan Cressler: Hoh River, Olympic National Park, Jefferson County, Washington 7
Alan Cressler: Mineral Creek, Rain Forest, Hoh River Valley, Olympic National Park, Jefferson County, Washington 1
Alan Cressler: Mororitz Creek, Mount Baker-Snoqualmie National Forest, Whatcom County, Washington 1
Alan Cressler: Mororitz Creek, Mount Baker-Snoqualmie National Forest, Whatcom County, Washington 1 4
Alan Cressler: North Fork Nooksack River, Mount Baker-Snoqualmie National Forest, Whatcom County, Washington 1