TY  - BOOK
AU  - Heck,N.H.
TI  - Earthquakes
AV  - QE534 .H4 1965
U1  - 551.22 
PY  - 1965/// [c1936]
CY  - New York
PB  - Hafner Pub. Co.
KW  - Earthquakes
N1  - Facsimile of the Edition of 1936; Bibliography: p. 218
ER  -