@misc{indiciae235aff30d57a, title = {Seismic-refraction measurements of crustal structure between Nevada Test Site and Ludlow, California}, author = {J. F. Gibbs and J. C. Roller}, year = {1964}, doi = {10.3133/70043887}, url = {https://pubs.usgs.gov/publication/70043887}, note = {Source identifier: 70043887} }