O'Brien, DougSmith, Brett2022-05-312022-05-311984https://hdl.handle.net/11124/13625Includes bibliographical references.masters thesesengCopyright of the original work is retained by the author.Geophysics -- California -- Shasta CountySeismic refraction methodGravity anomalies -- California -- Shasta CountyGravity study of the geologic boundary separating the Klamath Mountains and Cascade Range provinces in northern California, AText