TY  - RPRT
TI  - Earthquakes in the United States, April-June 1977
AU  - J. H. Minsch
AU  - Carl W. Stover
AU  - R. B. Simon
PY  - 1979
DO  - 10.3133/cir788b
UR  - https://pubs.usgs.gov/publication/cir788B
ID  - cir788B
ER  -