166 abstracts: references 



REFERENCES 



GEOLOGY. — Contributions to economic geology, 1£09, Part II, Mineral Fuels. 

 M. R. Campbell and others. Bulletin U. S. Geological Survey No. 431. 

 Pp. 254, with maps and sections. 1911. The volume compiles the follow- 

 ing papers: Natural gas in North Dakota, A. G. Leonard; The San Juan oil 

 field, San Juan County, -Utah, H. E. Gregory; Gas and oil prospects near 

 Vale, Oreg., and Payette, Idaho, G. W. Washburne; Gas prospects in Harney 

 Valley, Oreg., C. W. Washburne; Preliminary report on the geology and oil 

 prospects of the Cantua-Panoche region, Cal., Robert Anderson; The 

 southern part of the Cahaha coal field, Ala., Charles Butts; The Powell 

 Mountain coal field, Scott and Wise counties, Va., M. R. Campbell and E. G. 

 Woodruff; The eastern part of the Bull Mount-tin coal field, Mont., C. T. 

 Lupton; Preliminary report on the Coos Bay coal field, Oreg., J. S. Diller 

 and M. A. Pishel; The Black Mesa coal field, Ariz., M. R. Campbell and 

 H. E. Gregory; Coal deposits near Pinedale, Navajo County, Ariz., A. C. 

 Veatch; Coal in San Benito County, Cal., M. R. Campbell. 

 Mineral resources of Alaska: Report on investigations of, in 1910. Alfred 

 H. Brooks and others. Bulletin U.S. Geological Survey No. 480. Pp.333, 

 with maps and section. 1911. This publication contains thefollowing sepa- 

 rate papers: Administrative report, A. H. Brooks; Report on progress 

 of surveys of public lands in Alaska during 1910, A. H. Brooks; The ruining 

 industry in 1910, A. H. Brooks; Geologic features of Alaskan metalliferous 

 lodes, A. H. Brooks; Mining in southeastern Alaska, Adolph Knopf; 

 The Eagle River region, Adolph Knopf; The upper Susitna and Chistochina 

 districts, F. H. Moffit; Preliminary report on a detailed survey of part of 

 the Matanuska coal fields, G. C. Martin; A reconnaissance of the Willow Creek 

 gold region, F. J. Katz; Placer mining in the Yukon-Tanana region, C. E. 

 Ellsworth and G. L. Parker; Water supply of the Yukon-Tanana region, 

 1910, C. E. Ellsworth and.G. L. Parker; Mineral resources of the Bonnifield 

 region, S. R. Capps; Gold placer mining developments in the Innoko-Iditarod 

 region, A. G. Maddren; The Shungnak region, Kobuk Valley, P. S. Smith 

 and H. M. Eakin; The Squirrel River placers, P. S. Smith. 



AGRICULTURE.— Soils of the eastern United States and their use. 1911. Circu. 

 lars of the Bureau of Soils as follows: 



No. 22— Norfolk fine sandy loam. No. 23— Norfolk fine sand. No. 24— Ports- 

 mouth sandy loam. No. 25 — Sassafras silt loam. No. 27 — Cecil sandy loam. 

 No. 28 — Cecil clay. 



AGRICULTURE.— Soil Surveys. (Advance Sheets— Field operations of the 

 Bureau of Soils, 1910) as follows: 



Eastern Puget Sound Basin, Wash. (Reconnaissance.) A. W. Mangum. 

 Pp. 90. 4 Maps. 



