TY  - RPRT
TI  - Additional period and site class maps for the 2014 National Seismic Hazard Model for the conterminous United States
AU  - Allison M. Shumway
AU  - Mark D. Petersen
AU  - Peter M. Powers
AU  - Sanaz Rezaeian
PY  - 2018
DO  - 10.3133/ofr20181111
UR  - https://pubs.usgs.gov/publication/ofr20181111
ID  - ofr20181111
ER  -