George W. Johnson is a native of Indiana 

 and received a B.A. degree from the Univer- 

 sity of Illinois and an M.A. degree from the 

 University of Chicago. He served with the 

 United States Air Force in Europe during 

 World War II, and he has had practical ex- 

 perience in the printing, publishing, and news- 

 paper business. He is Associate Professor 

 of English at the Colorado School of Mines 

 and consultant on report writing for the 

 Petroleum Research Corporation. 



Harry C. Kent received the degree of Geo- 

 logical Engineer from Colorado School of 

 Mines in 1952 and the M.S. degree in geology 

 from Stanford University in 1953. He was 

 employed for three years by The California 

 Company as a geologist in Pensacola, Florida, 

 and Harvey, Louisiana. He also worked one 

 summer as an engineer's assistant for the 

 Shell Oil Company in the Los Angeles Basin. 

 Since 1956 he has been an instructor in the 

 Department of Geological Engineering at the 

 Colorado School of Mines. He is a member 

 of the American Association of Petroleum 

 Geologists, Sigma Gamma Epsilon, and Tau 

 Beta Pi. 



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