Geology and Mineralogy. 321 



Nos. 457, 458, 459, 461, 462, 463, 464, 468, 469, 473, 476, 477, 

 481, 482. Results of Spirit Leveling, R. B. Marshall, Chief 

 Geographer, work done in cooperation with the respective states. 

 No. 457, State of Washington, 1896-1910 inch ; pp. 108, 1 plate. 

 No. 458, Arkansas, Louisiana and Mississippi, 1896-1909 ; pp. 79, 

 1 plate. No. 459, Missouri, 1896-1909; pp. 48, 1 plate. No. 461, 

 Michigan and Wisconsin, 1897-1909 ; pp. 64, 1 plate. No. 462, 

 Oregon, 1896-1910 ; pp. 82, 1 plate. No. 463, Arizona, 1899-1909; 

 pp. 74, 1 plate. No. 464, New Mexico, 1902-1909, pp. 53, 1 

 plate. No'. 468, Texas, 1896-1910 ; pp. 133, 1 plate. No. 469, 

 Texas, 1896-1910 ; pp. 133, 1 plate. No. 469, North Dakota, 

 1897-1910 ; pp. 23, 1 plate. No. 473, Kansas and Nebraska, 

 1S96-1909 ; pp. 42, 1 plate. No. 476, Ohio, 1909, L910 ; pp. 79, 

 1 plate. No. 477, West Virginia, 1909, 1910; pp. 54, 1 plate. 

 No. 481, California, 1907-1910 ; pp. 115, 1 plate. No. 482, Mon- 

 tana, 1896-1910 ; pp. 154, 1 plate. 



No. 470, B. C. D. G. K. Advance Chapters from Contributions 

 to Economic Geology (Short Papers and Preliminary Reports), 

 1910. Part I. — Metals and Nonmetals except Fuels. B, Gold 

 and Silver, pp. 122, 3 plates, 15 figures. C, Copper, pp. 44, 1 

 plate, 12 figures. D, Lead and Zinc, pp. 28, 4 figures. G, Struc- 

 tural Materials, pp. 131, 4 plates, 9 figures. K, Miscellaneous 

 Nonmetallic Products, pp. 43, 6 figures. 



No. 475. The Difference of Crude Petroleum through Fuller's 

 Earth, with notes on its Geologic Significance ; by J. Elliott 

 Gilpin and Oscar E. Bransky. Pp. 50, 7 figures. 



Water-Supply Papers. — No. 256. Geology and Underground 

 Waters of Southern Minnesota ; by C. W. Hall, O. E. Meinzer, 

 and M. L. Fuller. Pp. 406, 18 plates, 9 figures. 



Nos. 265, 267, 268. Surface Water Supply of the United States, 

 1909 ; prepared under the Direction of M. O. Leighton. No. 

 265. Part V. Hudson Bay and Upper Mississippi Basins ; by 

 Robert Follansbee, A. H. Horton, and R. H. Bolster. Pp. 

 231,4 plates. No. 267. Part VII. Lower Mississippi Basin; 

 by W. B. Freeman and R. H. Bolster. Pp. 99, 2 plates, 1 figure. 

 No. 268. Part VIII. Western Gulf of Mexico ; by W. B. Free- 

 man and R. H. Bolster. Pp. 107, 6 plates. 



No. 273. Quality of the Water Supplies of Kansas ; by Hora- 

 tio Newton Parker. With a preliminary Report on Stream 

 Pollution by Mine Waters in Southeastern Kansas, by E. H. S. 

 Bailey. Prepared in cooperation with the Kansas State Board 

 of Health. Pp. 375, 1 plate, 1 figure. 



No. 274. Some Stream Waters of the Western United States, 

 with chapters on Sediment carried by the Rio Grande and the 

 Industrial Application of Water Analysis ; by Herman Stabler. 

 Pp. 188. 



No. 277. Ground Water in Juab, Miller, and Iron Counties, 

 Utah ; by Oscar E. Meinzer. In cooperation with the State of 

 Utah. Pp. 162, 5 plates, 13 figures. 



