Stover, Carl W. Seismicity of the United States, 1568-1989 (revised) by Carl W. Stover and Jerry L. Coffman. - Washington U.S. G.P.O. 1993. - v, 418 p. ill., maps 29 cm. - U.S. Geological Survey professional paper 1527 . Includes bibliographical references (p. 400-417). LCCN: 92026509 Subjects--Topical Terms: Earthquakes--United States. LC Class. No.: QE535.2.U6 / S77 1993 Dewey Class. No.: 551.2/2/0973 Gov. Doc. Class. No.: I19.16: P1527