Recent Publications 



-Clark, F. R. The Farnham Anticline, Carbon County, Utah. [U. S. 

 Geological Survey, Bulletin 711-A. Washington, igig.] 



Geology of the Lost Creek Coal Field, Morgan County, Utah. 



[U.S. Geological Survey, Bulletin 691-L. Washington, 1918. 

 -Collier, A. J. Coal South of Mancos, Montezuma County, Colorado. 



[U.S. Geological Survey, Bulletin 691-K. Washington, 1919.] 

 -Compte Rendu Sommaire des Seances de la Societe Geologique de France. 



Annee 1916. [Paris: Societe Geologique de France, 28, Rue Serpente, 



vi. 1916.] 

 -CoNDiT, D. D. Oil Shale in Western Montana, Southeastern Idaho, and 



Adjacent Parts of Wyoming and Utah. (Contributions to Economic 



Geology, 1919, Part II, pp. 15-40.) [U.S. Geological Survey, Bulletin 



VII-B. Washington, 1919.] 

 -Cuerpo de Ingenieros de Minas del Peru. Yacimientos Carboniferos del 



Distrito de Llapo. Cuenca Carbonifera de Ancos. Boletin del Cuerpo 



de Ingenieros de Minas del Peru, No. 89. [Lima: Imp. Americana, 



Santo Toribio, 230-34. 1918.] 

 -Dake, C. L. The Sand and Gravel Resources of Missouri. [Missouri 



Bureau of Geology and Mines. Vol. II, Second Series. RoUa, 1918.] 

 The Sand and Gravel Resources of Missouri. [Missouri Bureau of 



Geology and Mines. Vol. XV, Second Series. RoUa, 1918.] 

 -Denis, T. C. Report on Mining Operations in the Province of Quebec, 

 during the Year 191 7. [Providence of Quebec, Canada, Department of 

 Colonization, Mines, and Fisheries, Mines Branch. Quebec, 1918.] 

 ■. Report on Mining Operations in the Province of Quebec, during 



the Year 1918. [Province of Quebec, Canada, Department of Coloniza- 

 tion, Mines, and Fisheries, Bureau of Mines. Quebec, 1919.] 



-Dunkley, W. a., and Odell, W.W. Water-Gas Operating Methods with 

 Central District Bituminous Coals as Generator Fuel. [Illinois Geologi- 

 cal Survey, Bulletin 24, Co-operative Mining Series. Urbana, 1919.] 



-DuNLOP, J. P. Secondary Metals in 191 7. [U.S. Geological Survey, 

 Mineral Resources of the United States, 1917. Part 1:15. Washington, 

 1919.] 



-Dykema, W. p. Recent Developments in the Absorption Process for 

 Recovering Gasoline from Natural Gas. [U. S. Bureau of Mines, Bulletin 

 176. Petroleum Technology 50. Washington, 1919.] 



-Eastman, E. D., and Duschak, L. R. The Vapor Pressure of Lead 

 Chloride. [U.S. Bureau of Mines, Technical Paper 225. Washington, 

 1919.] 



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