Volume 110
Geophysical Prospecting 1934 Papers and Discussions Presented at Meetings of the Institute held at New York, February 15-18, 1932, February 20- 23, 1933 and February 19-22, 1934

Title Page

Contents

Foreword

Institute Officers And Directors

Committee On Geophysical Methods Of Prospecting

PAPERS:

Electrical Methods

TITLE	AUTHOR
Results of Earth-resistivity Survey on Various Geologic Structures in Illinois (With Discussion)	M. King Hubbert
Location of Faults in Hardin County, Illinois, by the Earth-resistivity Method (With Discussion)	M. King Hubbert and J. Marvin Weller
Some Practical Applications of Resistivity Measurements to Highway Problems	Karl S. Kurtenacker
Location and Study of Pipe-line Corrosion by Surface Electrical Measurements (Abstract)	C. And M. Schumberger and E. G. Leonardon
Electrical Methods in Prospecting for Gold (With Discussion)	Folke H. Kihlstedt
Discovering Gold-quartz Veins Electrically (Abstract)	S. F. Kelly, Theodor Zuschlag and Bela Low
Application of Resistivity Methods to Northern Ontario Lignite Deposits (With Discussion)	R. H. Hawkins
Geophysical Studies in Placer and Water-supply Problems (Abstract)	J. J. Jakosky and C. H. Wilson
Electrical Exploration of Water-covered Areas (With Discussion)	C. And M. Schlumberger and E. G. Leonardon
Interpretation of Resistivity Measurements (With Discussion)	G. F. Tagg
Interpretation of Three-layer Resistivity Curves	Sylvain J. Pirson
Some Observations concerning Electrical Measurements in Anisotropic Media, and Their Interpretation (With Discussion)	C. And M. Schumberger and E. G. Leonardon
Some Interpretations of Earth-resistivity Data (With Discussion)	Irwin Roman
A Contribution to the Theory of the Interpretation of Resistivity Measurements Obtained from Surface Potential Observations (With Discussion)	R. J. Watson
Electrical Coring; a Method of Determining Bottom-hole Data by Electrical Measurements	C. And M. Schulumberger and E. G. Leonardon
A New Contribution to Subsurface Studies by Means of Electrical Measurements in Drill Hole (With Discussion)	C. And M. Schulumberger and E. G. Leonardon

Magnetic Methods

TITLE	AUTHOR
Use of Magnetic Data on Michigan Iron Ranges (With Discussion)	C. O. Swanson
Magnetic Measurements on Auriferous Veins in Brazil	Mark C. Malamphy
An Accurate Simplified Magnetometer Field Method	Hubert O. DeBeck
Theory and Experiments Concerning a New Compensated Magnetometer System	C. A. Heiland W. E. Pugh
A Magnetic Gradiometer (With Discussion)	Irwin Roman and Thomas C. Serman

Seismic Methods

TITLE	AUTHOR
Reflection Methods in Seismic Prospecting	H. M. Rutherford
Certain Instrument Problems in Reflection Seismology	C. A. Heiland
Certain Field Problems in Reflection Seismology (With Discussion)	W. E. Pugh
Seismic Refraction Methods as Applied to Shallow Overburdens (With Discussion)	F. L. Partlo and Jerry H. Service
Analysis of Seismic Profiles	Irwin Roman

General

TITLE	AUTHOR
Recent Geothermal Measurements in the Michigan Copper District (With Discussion)	James Fisher, L. R. Ingersoll and Harry Vivian
Geophysics in the Nonmetallic Field (With Discussion)	C. A. Heiland

INDEX

TITLE	AUTHOR
Index