WILEY BOOKS 



•Just Published. 



Economics of Petroleum. 



By JOSEPH E. POGUE, Consulting Engineer. 



A new book of live interest' to everyone in any way concerned with Oil — by 

 a writer of wide experience in this field. It is thorough and interesting through- 

 out, and offers a wide range of information of vast importance to the petroleum 

 industry. The Trend of Oil-field Development and Oil Production, Economic 

 Organization, Petroleum Prices, Petroleum By-Products, Motor Fuel Problem, 

 and Mexico as a Source of Petroleum, are a few of the subjects discussed. 



375 pages. 6 by 9. 



151 figures, 150 charts, and over 100 tables. 

 Cloth, $6.00. 



Ready early in March 

 Coal. 



By ELWOOD S. MOORE, M.A., Ph.D., Dean of the School of Mines, The 

 Pennsylvania State College. 



Brings together the main facts relating to coal, for the practical man, the 

 scientist and the layman. 



About 450 pages. 6 by 9. 142 figures, 19 plates. Cloth binding. 



HANDBOOK FOR THE FIELD 

 GEOLOGIST. 



By the late C. W. HAYES. Third 

 Edition, Thoroughly Revised and Re- 

 arranged by Sidney Paige. 



Outlines methods of procedure in 

 field work found by experience to be 

 best. 



166 pages. 4iby6|. 20 figures. 

 Flexibly bound, $2.50. 



FIELD MAPPING FOR THE OIL 

 GEOLOGIST. 



By c. A. Warner. 



A handbook of field methods of 

 value to those geologists who have had 

 little experience with the methods com- 

 monly used in examining undrilled 

 territory. 



143 pages. 4£ by 7. 38 figures. 

 Flexibly bound, $2.50. 



Any Wiley book may be had on Free Examination — write TO-DAY 



JOHN WILEY & SONS, Inc. 



432 Fourth Avenue, New York 



AJS 2.22 



