@misc{https://doi.org/10.7914/sn/1h_2019, doi = {10.7914/SN/1H_2019}, url = {https://www.fdsn.org/networks/detail/1H_2019/}, author = {{Ryan Porter} and {Nicholas Schmerr}}, title = {SP Crater Geophysical Study}, publisher = {International Federation of Digital Seismograph Networks}, year = {2019} }