BULLETIN 
of the 
AMERICAN ASSOCIATION OF 
PETROLEUM GEOLOGISTS 
Volume 15 NOVEMBER 1931 Number 11 

CONTENTS 
Symposium on Geophysics 
EDITOR’S FOREWORD : ‘ : 5 3 : : 5 : ; ; ; 1307 
By F. H. LAHEE 
INTRODUCTION ft ee ee ee el eet et Baan te : oh 5) Meee eae! ZOO 
By G. H. WEstBy 
APPLICATION OF SEISMOGRAPHY TO GEOLOGICAL PROBLEMS . .. 2 ee eles Ht 
By EuGENE McDERMOTT 
BELLE ISLE TORSION-BALANCE SURVEY, ST. MARY PARISH, LOUISIANA : > B85 
By DonaLp C. Barton 
SOME RESULTS OF MAGNETOMETER SURVEYS IN CALIFORNIA . : 1351 
By Epwarp D. Lynton 
MAGNETIC DISTURBANCE CAUSED BY BURIED CASING . : cited ut : : 5). DOI 
By WILi1AM M. BARRET 
BRUNTON COMPASS ATTACHMENT FOR MEASUREMENT OF HORIZONTAL MAG- 
NETIC INTENSITY ne ie hl eee Sa he hie ee nos, cree : > LOL 
By Joun H. WILson 
REVIEWS AND NEW PUBLICATIONS 
Principles of Structural Geology, Charles Merrick Nevin (John L. Rich) : : : . 1399 
Recent Publications. 5 ; : : 3 : 2 : : é , ; : : 1400 
THE ASSOCIATION ROUND TABLE 
Membership Applications Approved for Publication . . . . -. . |. +. =. 1403 
Announcement: Geological Society of America and The American Association of Petroleum 
Geologists Meeting, Tulsa, Oklahoma, December 28, 1931, to January 4, 1932 . : . 1403 
Association Committees. 3 : : : : : : 3 : : ; : : . 1405 
AT HOME AND ABROAD 
Current News and Personal Items of the Profession. 5 ; : : : : : 1407 
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