WILEY BOOKS 



FOR OIL GEOLOGISTS 



Recently Issued 



Field Mapping for the Oil Geologist 



By C. A. WARNER, 



Field Geologist, Empire Gas and Fuel Qo., 

 Bartlesville, Oklahoma 



Onty the more important phases of field mapping have been considered, 

 the book giving a general knowledge of the subject and laying a foundation 

 for the carrying further of detailed work in any particular area. Geologists 

 who have had little experience with the methods commonly used in examining 

 a territory not yet drilled will find Warner's ''Field Mappixg" practical and 

 reliable. 



143 pages, 43^ by 7. 38 figures. Flexibly bound, $^.50. 



Ready October 15th. 



ECONOMICS OF PETROLEUM 



By JOSEPH E/POGUE, 



Consulting Engineer 



- A book containing a vast number of helpful facts for oil geologists and 

 everyone else at all concerned with any phase of the oil question. Charts are 

 included which give at a glance accurate figures and facts dealing with pro- 

 duction, costs, etc. 



About 350 pages, 6 by 9. Illustrated, Cloth binding. 



We are always glad to send copies of any Wiley Book for Free Exami- 

 nation. Enter your order NOW— for "Warner" at once— for "Pogue" when 

 ready. 



JOHN WILEY & SONS. Inc. 



432 Fourth Avenue, New Yotk 



London : Chapman & Hall, Ltd. 

 Montreal, Quebec: Eenouf Publishing Company. 



