@misc{indiciaed191c30d435e, title = {Earthquakes \& Volcanoes, Volume 21, Number 1, 1989: Featuring the U.S. Geological Survey's National Earthquake Information Center in Golden, Colorado, USA}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey and Henry Spall and Diane C. Schnabel}, year = {1989}, doi = {10.3133/70039068}, url = {https://pubs.usgs.gov/publication/70039068}, note = {Source identifier: 70039068} }