Earthquakes in the United States / 
by C. W. Stover...[et al.] 
 - Washington,D.C. :  United States Government Printing Office,  1980 
 - 34 p. ;  25 cm. 
 - Geological survey circular ;  836-B .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earthquakes<br/>Seismic waves
<br/><br/><label>Dewey Class. No.: </label>551.22