TY  - RPRT
TI  - Earthquakes in the United States, January-March 1981
AU  - J. H. Minsch
AU  - C. W. Stover
AU  - P. K. Dunbar
AU  - F. W. Baldwin
PY  - 1982
DO  - 10.3133/cir871a
UR  - https://pubs.usgs.gov/publication/cir871A
ID  - cir871A
ER  -