Columbia River Basalt Stratigraphy in the Pacific Northwest

In Cooperation with the Oregon Water Resources Department

Geologic Data

Users of this Website can view geologic data from sites in the Willamette and the
Columbia River Basins, as well as tables of the geochemistry and information used
to construct the well.

1. Begin by clicking on one of the of basins below to view a map of sites in that basin.

2. Then, by clicking on a site label, you can view a page that lists information for that site.

Alternately, there is a link to a list of sites below for each basin with links to pages containing data for
each site (click link marked table).