TY - RPRT TI - Seismic refraction data across the Coast Range and Willamette basin in central Oregon; the 1991 Pacific Northwest Experiment AU - A.M. Trehu AU - Steve Azevedo AU - J.N. Nabelek AU - J.H. Luetgert AU - W. D. Mooney AU - Isa Asudeh AU - Brad Isbell PY - 1993 DO - 10.3133/ofr93319 UR - https://pubs.usgs.gov/publication/ofr93319 ID - ofr93319 ER -