01276nam a2200301 k 4500001001500000005001500015008004100030035002000071040001900091049002100110052002000131086001900151090002500170100003300195245021300228260014100441300003500582490002100617504003000638650002800668650002800696650003000724700002400754700002000778710003900798830005800837963007900895WMF000104454  20201112114651810509s1980    us ab    b    000   eng    a(OCoLC)07405682  aUDIcUDI/dGPO0 lAV0000069748fXA06aI 19.76b81-112  aI 19.76:81-112  aQE75b.O65 no.81-1121 aDwyer, John J.0KAC2020R910210aNumerical study of attenuation of high frequency Lg-waves in the New Madrid seismic region/dy John J. Dwyer, Robert B. Herrmann, and Otto W. Nuttli /dy John J. Dwyer, Robert B. Herrmann, and Otto W. Nuttli   aDenver, Colo.:bThe Survey:bOpen-file Services Section, Branch of Distribution, U.S. Geological Survey [distributor],c1981 [i.e. 1980]  aii, 131 p.:bill., map;c28 cm00aOpen-file report  aBibliography: p. 130-131. 0aSeismological stations. 0aSeismological research. 0aSeismologyxObservations.1 aHerrmann, Robert B.1 aNuttli, Otto W.  aUnited States.bGeological Survey. 0aOpen-file report (Geological Survey (U.S.));v81-112.  aSeismologicalastationsaSeismologicalaresearchaSeismologyaObservations