Not that in this I imitated the Sceptics who doubt only that they may doubt, and seek nothing beyond uncertainty itself; for, on the contrary, my design was singly to find ground of assurance, and cast aside the loose earth and sand, that I might reach the rock or the clay.
Geology and Mineral Resources of the Northern part of the North Cascades National Park, Washington Reconnaissance geology of the 500-square-mile wilderness north of the Skagit River, and the mineral survey that was made before it became a park. 1972
The North Fork Nooksack River rises at the Nooksack Cirque east of Mount Shuksan within the western part of North Cascades National Park in central Whatcom County.
