RECENT PUBLICATIONS 583 



— Katz, S. H., and Porter, H. C. Effects of Moisture on the Spontaneous 

 Heating of Stored Coal. [U.S. Bureau of Mines, Technical Paper 172. 

 Washington, 191 7.] 



— KiTHiL, K. L., and Davis, J. A. Mining and Concentration of Carnotite 

 Ores. [U.S. Bureau of Mines, Bulletin 103. Washington, 191 7.] 



— Knopf, A. Geology and Ore Deposits of the Yerington District, Nevada. 

 [U.S. Geological Survey, Professional Paper 114. Washington, 1918.] 



— KuDLiCH, R. H., and Higgins, E. Suggestions for the Safe Operation of 

 Gasoline Engines in Mines. [U.S. Bureau of Mines, Technical Paper 

 174. Washington, 191 7. 1 



— ^Laney, F. B. The Geology and Ore Deposits of the Virgilina District of 

 Virginia and North Carolina. [Virginia Geological Survey, Bulletin 14. 

 Charlottesville, 191 7.] 



— ^Latimer, W. J. SoU Survey of Jefferson, Berkeley, and Morgan Counties, 

 West Virginia. [U.S. Department of Agriculture, Advance Sheets, Field 

 Operations of the Bureau of Soils, 1916. Washington, 1918.] 



— ^Lesher, C. E. Fuel Briquetting in 1917. [U.S. Geological Survey, Min- 

 eral Resources of the United States, 1917, Part II. Washington, 1918.] 



— ^Lewis, J. O. Methods of Increasing the Recovery of Oil from Sands. 

 [U.S. Bureau of Mines, Bulletin 148. Washington, 191 7.] 



— ^LouGHLiN, G. F. Lime in 1916. [U.S. Geological Survey, Mineral 

 Resources of the United States, 1916, Part II, pp. 433-62. Washington, 

 1918.] 



. The Oxidized Zinc Ores of LeadviUe, Colorado. [U.S. Geological 



Survey, Bulletin 681. Washington, 1918.] 



— ^Lyon, D. a., Ralston, O. C, Laney, F. B., and Lewis, R. S. (Compilers.) 

 Bibliography of Recent Literature on Flotation of Ores, July to Decem- 

 ber, 1916. [U.S. Bureau of Mines, Technical Paper 176. Washington, 

 1917.] 



— ^McCouRT, W. E., Albertson, M., and Benne, J. W. The Geology of 

 Jackson County. Missouri Bureau of Geology and Mines, Reports, Vol. 

 XIV, Second Series. [RoUa, 191 7.] 



— =-McGlashan, H. D., and Ebert, F. C. Southern California Floods of 

 January, 1916. [U.S. Geological Survey, Water-Supply Paper 426. 

 Washington, 191 8.] 



— Manning, V. H. Eighth Annual Report by the Director of the Bureau 

 of Mines to the Secretary of the Interior for the Fiscal Year Ended June 

 30, 191 8. [U.S. Bureau of Mines, Department of the Interior. Wash- 

 ington, 191 9.] 



— Marshall, P. Additional FossUs from Target Gully, near Oamaru. 

 Transactions of the New Zealand Institute, Vol. XLIX, 1916. [Welling- 

 ton, 1917.] ' 



