TY  - RPRT
TI  - Earthquakes in the United States, July-September 1981
AU  - Carl W. Stover
AU  - J. H. Minsch
AU  - P. K. Dunbar
AU  - G. W. Baldwin
PY  - 1981
DO  - 10.3133/cir871c
UR  - https://pubs.usgs.gov/publication/cir871C
ID  - cir871C
ER  -