1. Effect of tectonic structure on the occurrence of ground water in the basalt of the Columbia River Group of the Dalles area, Oregon and Washington, Author/Creator: Newcomb, Reuben Clair, 1909-1998 Publication/Creation: Washington : U.S. Govt. Print. Off, 1969 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 381-383. Access & Availability: Loading