I iii Srir/i/ifrc Intelligence. 



No. 659. Gannel Coal to the United Slates; by G. II. Ash- 

 i.i:v. 1'p. 128, S pis., 127 li»s. 



No. 665. Bibliography of North American Geology for 1916, 

 with subject index; by John M. Nickles. Pp. 1.72. 



Also separate chapters of Nos. 660, 661, Economic Geology, 

 1917, parts I, II. No. 690, 691, do., 1918, parts I, II. 



Water Supply Papers. — Surface Water Supply of the United 

 States; Nathan C. Grover, Chief Hydraulic Engineer. Nos. 

 389, 390, 1914, Parts IX and X. Nos. 403, 404, 406, 408, 1915. 

 Parts III. IV, VI, VIII. Also Nos. 430, 445, Hawaii: 430, 

 Julv 1, 1913-June 30, 1915 ; 445, July 1, 1915-June 30, 1916. 

 Nos. 434, 438, 1916. Parts IV, VIII. 



No. 418. Mineral Springs of Alaska ; by Gerald A. Waring. 

 Pp. 114, 16 figs., 9 pis. 



No. 424. Surface Waters of Vermont; by C. H. Pierce. 

 Pp. 218, 2 figs., 14 pis. 



2. United States Bureau of Mines; Van H. Manning, Direc- 

 tor. — The following publications have recently appeared. See 

 earlier, p. 80, Jan., 1918. 



Bulletins. — No. 110. Concentration experiments with the 

 siliceous red hematite of the Birmingham District, Alabama ; by 

 Joseph T. Singewald, Jr. Pp. 91, 1 pi., 47 figs. 



No. 135. Combustion of coal and design of furnaces ; by 

 Henry Kreisinger, C. E. Augustine, and F. K. Ovitz. Pp. 

 144, 1 pi., 45 figs. 



No. 137. The use of permissible explosives in the coal mines 

 of Illinois; by J. E. Fleming and J. W. Koster. Pp. 110, 8 

 pis., 17 figs. 



No. 139. Control of hookworm infection at the deep gold 

 mines of the Mother Lode, California; by J. G. Cumming and 

 J. H. White. Pp. 53, 1 pi., 5 figs. 



No. 140. Occupational hazards at blast-furnace plants and 

 accident prevention ; by F. H. Willcox. Pp. 155, 16 pis. 



No. 148. Methods of increasing the recovery of oil from 

 sands ; by J. O. Lewis. Pp. 128, 4 pis., 32 figs. 



No. 153. The mining industry in Alaska in the calendar year 

 1916 ; by S. S. Smith. Pp. 91. 



No. 155. Oil-storage tanks and reservoirs ; by C. P. Bowie. 

 Pp. 76, 21 pis. 



No. 158. Cost accounting for oil producers; by C. G. Smith. 

 Pp. 123. 



No. 159. Abstracts of current decisions on mines and mining ; 

 by J. W. Thompson. Pp. 111. 



Also a number of Technical Papers. 



3. The Geology and Ore Deposits of the Virgilina District of 

 Virginia and North Carolina; by F. B. Laney. Pp. 176, 20 

 pis., 16 figs. Bulletin XIV, Virginia Geological Survey. T. L. 

 Watson, Director. Charlottesville, 1917. — The region covered 

 by this report embraces some of the most important copper dis- 



