Photograph of a group of attendees from the 47th Church and Synagogue Library Association conference, which was held in Portland, Oregon, sitting at a dining table on the Columbia Gorge Sternwheeler. The group took a trip to the boat in Cascade Locks on the border of Washington and Oregon. Some are looking at menus and out of the window the Columbia River is visible.

Photograph of an attendee from the 47th Church and Synagogue Library Association conference, which was held in Portland, Oregon, standing on the deck of the Columbia Gorge Sternwheeler. She took a group trip with other attendees to the boat in Cascade Locks on the Columbia River. The river is a part of the border between Washington and Oregon. Other people are standing on deck and the river and banks can be seen in the distance.

Photograph of the red, white, and blue Columbia Gorge Sternwheeler vessel on the Columbia River. The river acts as the border between Oregon and Washington and the dock is located in Cascade Locks, Oregon. There are people sitting at small tables along the railing by the river. Attendees from the 47th Church and Synagogue Library Association conference, which was held in Portland, Oregon, took a group trip to this location.

From introduction: This study was made in cooperation with the planning departments of Wasco and Hood River Counties, The purposes of this report are (1) to describe the occurrence, movement, availability, and quality of ground water in the basin; and (2) to assess, where possible, the extent, thickness, hydrologic boundaries, and hydraulic properties of the principal aquifers.