TY  - RPRT
TI  - An assessment of seismic monitoring in the United States; requirement for an Advanced National Seismic System
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1999
DO  - 10.3133/cir1188
UR  - https://pubs.usgs.gov/publication/cir1188
ID  - cir1188
ER  -