Catalogue of U.S. Geological Survey strong-Motion records, 1987 
compiled by Ronald L. Porcella and Josephine C. Switzer. 
 - (1987)- 
 - Reston, Va.  Geological Survey  1989- 
 - v.  28 cm. 
 - Geological Survey circular .
<br/><br/><label>LCCN: </label>doc92000691  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earthquake intensity--Statistics.--United States<br/>Seismometry<br/>Earthquakes--United States.