@misc{indiciaebf12bfd52aa3, title = {Orientation of three-component geophones in the San Andreas Fault observatory at depth Pilot Hole, Parkfield, California}, author = {V. Oye and W.L. Ellsworth}, year = {2005}, doi = {10.1785/0120040130}, url = {https://pubs.usgs.gov/publication/70029192}, note = {Source identifier: 70029192} }