Lagerstätten nutzbarer Mineralien. 



-103- 



Butler, C. M. : Some recent developments at Leadville. A Leadville- 



fissure vein. (Econ. Geol. 1912. 7. 315—323.) 

 Lee, M. L. : A Geological study of the Elisa mine, Sonora, Mexiko. 



(Econ. Geol. 1912. 7. 324—339.) 

 Zapffe, C. : The geology of St. Helens Mining- district, Washington. 



(Econ. Geol. 1912. 7. 340—350.) 

 S c Ii o f i e 1 d , S. J. : The origin of the silver-lead deposits of East Kootenay, 



British Columbia. (Econ. geol. 1912. 7. 351—363.) 

 Catalogue of Publications of the Mines Brauch (1907—1911). Canada 



Dep. of Mines. No. 104. Ottawa 1912. 134 p. 

 Ries, H. and J. Keele: Preliminary Report on the clay and shale 



deposits of the western provinces. Canada Dep. of Mines. (Geol. 



Survey Brandl. Mem. 24— E. Ottawa 1912. 231 p. 61 pls. 10 Fig. 



4 maps.) 



Paige, S. : The origin of Turgnoise in the Burro mountains, New Mexiko. 



(Econ. Geol. 1912. 7. 382—392.) 

 Miller, W. J. : The garnet deposits of Warren County, New York. 



(Econ. Geol. 1912. 7. 493—501.) 

 Hill, J. M. : The Mining Districts of the Western United States. With 



a geol. introby W. Lindgren. (U. S. Geol. Surv. 1912. Bull. 507. 



309 p. 16 Taf. 1 Fig.) 

 Schräder, F. C. : A reconuaissauce of the Jarbidge, Contact, and Elk 



Mountain Mining Districts, Elco County Nevata. (U. S. Geol. Surv. 



1912. Bull. 497. 162 p. 26 Taf. 3 Fig.) 

 Weed, W. H. : Geology and Ore deposits of the Butte District. Montana. 



(U. S. Geol. Surv. Prof. Pap. 74. 1912. 262 p. 41 Taf. 109 Fig.) 

 B outwell, J. M. : Geology and Ore deposits of the Park City District, 



Utah. With contributions by L. H. Woolsey. (U. S. Geol. Surv. 



Prof. Pap. 77. 1912. 231 p. 44 Taf. 18 Fig.) 

 Knopf, A.: The Sitka Mining District, Alaska. (U. S'. Geol. Surv. Bull. 504, 



32 p. 1 pl. 4 Fig. Washington 1912.) 

 Capps, St. R. and F. H. Moffit: Geology and Mineral Resources of 



the Nizina District, Alaska. (U. S. Geol. Surv. Bull. 448. 111 p. 



12 pl. 11 Fig. Washington 1911.) 

 Hayes, C. W. and W. Lindgren: Contributions to the Economic 



Geology 1910. Part I. Metals and Nonmetals except Feuels. (U. S. 



Geol. Surv. Bull. 470. 558 p. 17 pl. 64 Fig. Washington 1911.) 

 Butler, B. S. and H. S. Gale: Alunite , a newly discovered Deposit 



near Marysvale, Utah. (U. S. Geol. Surv. Bull. 511. 64 p. 3 pl. 



Washington 1912.) 



Martin, G. C. and F. J. Katz: A Geologie Reconnaissance of the 

 Iliamna Region, Alaska. (U. S. Geol. Surv. Bull. 485. 138 p. 9 pL 

 20 Fig. Washington 1912.) 



Clark, W. B. : Report of the Conservation Commission of Maryland for 

 1908—1909. 204 p. 



