Recent Publications 



-Jahresberichte und Mitteilungen des Oberrheinischen geologischen Vereines. 

 Neue Folge. Bd. 4. Jahrgang 1914. Heft 2. Unter der Schriftleitung 

 der jeweiligen Schriftfuhrer, zur Zeit des Professor Dr. Wilhelm Solomon 

 und des Rechnungsrates Dr. D. Haberle in Heidelberg. Juli, 1914. 

 In Kommission bei der E. Schweizerbart'schen Verlagsbuchhandlung 

 Nagele und Dr. Sproesser. [Stuttgart, 1914.] 



-Jahresberichte und Mitteilungen des Oberrheinischen geologischen Vereines. 

 Neue Folge. Bd. 5. Jahrgang 1915. Heft 1. Unter der Schriftleitung 

 der jeweiligen Schriftfuhrer, zur Zeit des Professor Dr. Wilhelm Solomon 

 und des Rechnungsrates Dr. D. Haberle in Heidelberg. November, 1915. 



-Johnson, R. H., and Huntley, L. G. Principles of Oil and Gas Produc- 

 tion. [New York: John Wiley & Sons, 1916.] 



-Katz, F. J. Abrasive Materials in 191 5. [U.S. Geological Survey, Mineral 

 Resources of the United States, 1915, Part II, pp. 65-80. Washington, 

 1916.] 



. Feldspar in 1915. [U.S. Geological Survey, Mineral Resources of 



the United States, 191 5, Part II, pp. 43-53. Washington, 1916.] 



Silica in 191 5. [U.S. Geological Survey, Mineral Resources of the 



United States, 1915, Part II, pp. 55-60. Washington, 1916.] 



-Kay, F. H., and White, K. D. Coal Resources of District VIII (Dan- 

 ville). Illinois Coal Mining Investigations, Co-operative Agreement, 

 Bulletin 14. State Geological Survey, Engineering Experiment Station, 

 University of Illinois; U.S. Bureau of Mines. [Illinois Geological Sur- 

 vey. Urbana, 191 5.] 



-Kindle, E. M. Notes on the Geology and Palaeontology of the Lower 

 Saskatchewan River Valley. [Canada Department of Mines, Museum 

 Bulletin 21, No. 1576, Geological Survey, Geological Series, No. 30. 

 Ottawa, October 14, 191 5.] 



-Krebs, C. E., aided by Teets, D. D., Jr. West Virginia County Reports, 

 1916. Raleigh County and Western Portions of Mercer and Summers 

 Counties. With maps showing topography of Mercer County, topography 

 of Raleigh County, and western part of Summers County, general and 

 economic geology of Raleigh County and western part of Summers County, 

 and general and economic geology of coal area only in Mercer County. 

 [West Virginia Geological Survey. Morgantown, 1916.] 



-Lane, F. K. Annual Report of the Secretary of the Interior for the Fiscal 

 Year Ended June 30, 1915. [Washington, 1915.] 



