@misc{indiciae8aaae5d60e32, title = {Continuous monitoring of surface deformation at Long Valley Caldera, California, with GPS}, author = {T.H. Dixon and A. Mao and M. Bursik and M. Heflin and J. Langbein and R. Stein and F. Webb}, year = {1997}, doi = {10.1029/96jb03902}, url = {https://pubs.usgs.gov/publication/70019842}, note = {Source identifier: 70019842} }