236 Scientific Intelligence. 



No. 440. Results of Triangulation and Primary Traverse for 

 the years 1906, 1907, and 1908. R. B. Marshall, chief geog- 

 rapher. Pp. 688, 1 plate. 



No. 441. Results of Spirit Leveling in Alabama, Georgia, 

 North Carolina, South Carolina, and Tennessee, 1896 to 1909, 

 inclusive. R. B. Marshall, chief geographer. Work done in 

 cooperation with the State of Alabama during 1899 to 1905, 

 inclusive; with the State of North Carolina during 1896 and 

 from 1902 to 1909, inclusive. Pp. 145. 



No. 442. Mineral Resources of Alaska. Report on Progress 

 of Investigations in 1909; by Alfred H. Brooke and others. 

 Pp. 426, 7 plates, 8 figures. 



No. 470-A. Advance Chapter from Contributions to Eco- 

 nomic Geolog} r , 1910. Phosphates in Montana ; by Hoyt S. 

 Gale. Pp. 9, 2 figures. 



Water Supply Papers. — No. 254. The Underground Waters 

 of North-Central Indiana ; by Stephen R. Capps, with a chap- 

 ter on The Chemical Character of the Water, by R. B. Dole. 

 Pp. 279, 7 plates, 12 figures. 



Nos. 262, 264.— Surface Water Supply of the United States, 1909 

 [prepared under the direction of M. O. Leighton]. No. 262. 

 Part II, South Atlantic and Eastern Gulf of Mexico ; by M. R. 

 Hall and R. H. Bolster. Pp. 150, 5 plates. No. 264. Part 

 IV, St. Lawrence River Basin ; by C. C. Covert, A. H. Horton 

 and R. H. Bolster. Pp. 130, 5 plates. 



3. Bureau of Mines, Joseph A. Holmes, Director. — Four 

 additional bulletins have been recently issued ; these are as fol- 

 lows : Bulletin 2, North Dakota Lignite as a Fuel for power- 

 plant Boilers ; by D. T. Randall and Henry Kreisinger. Pp. 

 42, 1 plate, 7 figures. Bulletin 3, The Coke Industry of the 

 United States as related to the Foundry; by Richard Moldenke. 

 Pp. 32. Bulletin 4, Features of Producer-Gas Power-Plant 

 Development in Europe; by R. H. Fernald. Pp. 27, 4 plates, 

 7 figures. Bulletin 5, Washing and Coking Tests of Coal, at the 

 Fuel-Testing Plant, Denver, Colorado, July 1, 1908, to June 30, 

 1909 ; by A. W. Belden, G. R. Delamater, J. W. Groves, and 

 K. M. Way. Pp. 62, 1 figure. 



Miners' Circulars Nos. 1 and 2 have also just been issued ; they 

 are the first of a series to be written in plain, non-technical language 

 for the benefit of the miner. They contain the names of the per- 

 missible explosives tested by the bureau at its Pittsburg station 

 up to November 15, 1910, and gives precautions as to their use. 



4. Florida State Geological Survey. Third Annual Report, 

 1909-1910. E. H. Sellards, State Geologist. Pp. 397 with 

 numerous plates and figures. Tallahassee, Fla., 1910. — This 

 report, like the preceding of the series, is of high scientific 

 as well as practical value. The scientific interest lies in the 

 unique character of the geologic province of Florida as com- 

 pared with other portions of the United States and the way in 

 which the subjects have been treated. The value to the citizens 



