Application of seismic methods to a ground-water problem in northeastern Ohio

Valleys cut in the bedrock in northeastern Ohio by Tertiary and Pleistocene streams have been filled by Pleistocene glacial drift so that there is little surface evidence of their existence. Some of these buried valleys are good sources of ground water, so information regarding the location, depth, and cross-section of the buried valleys is important in water-supply investigations. Detailed knowledge of the configuration of the buried valleys is useful also in interpreting the glacial history of the region. Test surveys in Portage and Summit Counties, Ohio, by the U.S. Geological Survey indicate that seismic methods can be used to determine depth to bedrock and thus to be applicable to the study of the buried valleys.