Geology

Danner, Wilber R. Geology of Olympic National Park. 68 pp. Univ. of Washington Press. Seattle, 1955. Well illustrated booklet explaining the complex geological history of the park in terms the untrained geologist can understand.

Sharp, Robert P. Glaciers. 78 pp. Univ. of Oregon Press. 1960. Excellent description of the complex structure and behavior of glaciers. Provides information from current studies of Blue Glacier on Mount Olympus.