CONTENTS 
PAGE 
FOREWORD: By BB: Weatherby ee te I 
RELATIONS OF GEOPHYSICS TO GEOLOGY. By Paul Weaver. . . 3 
SOME POSSIBLE APPLICATIONS OF GEOTHERMICS TO GEOLOGY. 
By C. E. Van Orstrand . . 13 
EARTH RESISTIVITIES AT DEPTHS LESS THAN ONE HUNDRED 
FEET: By W. D. Keller . . . 39 
RADIOACTIVITY OF SOIL GASES. By Lynn G. Howell . . . . . 63 
MAGNETIC AND TORSION-BALANCE SURVEY OF MUNICH TERTI- 
ARY BASIN, BAVARIA. By Donald C. Barton. . . 69 
MAGNETIC VECTOR STUDY OF KENTUCKY AND SOUTHERN 
MICHIGAN. By W. P. Jenny . . . 97 
GRANITE AND LIMESTONE VELOCITY DETERMINATIONS IN AR- 
BUCKLE MOUNTAINS, OKLAHOMA. ae B. B. icaherey) W. T. 
Born, and R. L. Harding . . . 106 
APPLICATIONS AND LIMITATIONS OF DIP SHOOTING. ee EE 
Rosaire and Joseph L. Adler . . 119 
521 
