The geology of the Pacific Northwest is
not only varied, but its expression in the
landscape is a major factor in the scenic
beauty of this region. Much is known about
the geology of the Northwest, but much more
remains to be studied and interpreted.
The field trip guides reflect continuing
geologic research and contribute to our
understanding of the history of this region.
The areas and subject covered in the guides
range from southwestern Washington to the
For a complete
list of field trip guides see the Oregon Department of Geology web site.
Purchase from our store:
Field Trip Guide