Title: Geology of the middle and upper Eocene McIntosh Formation and adjacent volcanic and sedimentary rock units, Willapa Hills, Pacific County, southwest Washington
Subjects: Formations (Geology), Geology, Geology, Stratigraphic, Petrology, Sedimentation and deposition, Stratigraphic Geology, Volcanic ash, tuff
Places: Washington (State), Willapa Hills
Time periods: Eocene