TY  - RPRT
TI  - Earthquakes in the United States, January - March 1975
AU  - R. B. Simon
AU  - Carl W. Stover
AU  - W. J. Person
PY  - 1977
DO  - 10.3133/cir749a
UR  - https://pubs.usgs.gov/publication/cir749A
ID  - cir749A
ER  -