IT SERIES LIST. 
B 178. El Paso tin deposits, by W. H. Weed. 1901. 15 pp., 1 pi. 
B 180. Occurrence and distribution of corundum in United States, by. I. H. Pratt. 1901. 98 pp., 14 pis. 
(Out of stock; see No. 269.) 
B 182. A report on the economic geology of the Silverton quadrangle. Colorado, by F. L. Ransome, 
1901. 266 pp., 16 pis. (Out of stock.) 
B 184. Oil and gas fields of the western interior and northern Texas Coal Measures and of the Upper 
Cretaceous and Tertiary of the western Gulf coast, by G. I. Adams. 1901. 64 pp., 10 pis. 
(Out of stock.) 
B 193. The geological relations and distribution of platinum and associated metals, by J. F. Kemp. 
1902. 95pp., 6pls. 
B 198. The Berea grit oil sand in the Cadiz quadrangle, Ohio, by W. T. Griswold. 1902. 48 pp., 1 pi. 
(Out of stock.) 
PP1. Preliminary report on the Ketchikan mining district, Alaska, with an introductory sketch of 
the geology of southeastern Alaska, by A. II. Brooks. 1902. 120 pp., 2 pis. 
B 200. Reconnaissance of the borax deposits of Death Valley and Mohave Desert, by M. R. Campbell. 
1902. 23 pp., 1 pi. (Out of stock.) 
B 202. Tests for gold and silver in shales from western Kansas, by Waldeinar Lindgren. 1902. 21 pp. 
(Out of stock.) 
PP 2. Reconnaissance of the northwestern portion of Seward Peninsula, Alaska, by A. .1. Collier. 
1902. 70 pp., 11 pis. 
PP 10. Reconnaissance from Fort Hamlin to Kotzebue Sound, Alaska, by way of Dall, Kanuti, Allen, 
and Kowak rivers, by W. C. Mendenhall. 1902. 68 pp., 10 pis. 
PP 11. clays of the United States east of the Mississippi River, by Heinrich Ries. 1903. 298 pp.,9pls. 
PP 12. Geology of the Globe copper district, Arizona, by F. L. Ransome. 1908. 168 pp., 27 pis. 
B 212. Oil fields of the Texas Louisiana Gulf Coastal Plain, by C. W. Hayes and William Kennedy. 
1903. 171 pp., 11 pis. (Out of stock.) 
B 213. Contributions to economic geology, 1902; S. F. Emmons and C. W. Bayes, geologists in charge. 
1903. 149 pp. (Out of stock.) 
PP IT). The mineral resources of the Mount Wrangell district, Alaska, by W. C. Mendenhall and 
F. C. Schrader. 1903. 71 pp., lo pis. 
B 218. Coal resources of the Yukon, Uaska, by A. J. Collier. 1903. 71 pp., 6 pis. 
B 219. The ore deposits of Tonopah, Nevada (preliminary report), by. I. E. Spurr. 1903. 81 pp., 1 pi. 
(Out of stock.) 
PP 2*. A reconnaissance in northern Alaska in 1901, by F. ('. Schrader. 1904. 139 pp., 16 pis. 
PP 21. Geology and ore deposits of the Bisbee quadrangle, Arizona, by F. L. Ransome. P.tOl. 168 pp., 
29 pis. 
B223. Gypsum deposits in the United states, byG. I. Adams and others. 1904. 129 pp., 21 pis. 
PP21. Zinc and lead deposits of northern Arkansas, by G. I.Adams. 1904. 118 pp., 27 pis. 
PP25. Copper deposits of the Encampment district, Wyoming, by A.C.Spencer. 1904. 107 pp., 2 pis. 
B 225. Contributions to economic geology, L903, by S. F. Emmons and ('. W. Hayes, geologists in 
charge. 1904. 527 pp., 1 pi. (Out of stock.) 
PP 26. Economic resources of the northern Black Hills, by.I.D. Irving, with contributions by S. F. 
Emmons and T. A. Jaggar, jr. 1901. 222 pp., 20 pis. 
PP 27. A geological reconnaissance across the Bitterroot Range and Clearwater Mountains in Mon- 
tana and Idaho, by Waldeinar Lindgren. 1904. 128 pp., 15 pis. 
B 229. Tin deposits of the York region, Alaska, by A. J. Collier. 1901. 61 pp., 7 pis. 
B 236. The Porcupine placer district, Alaska, by C. W. Wright. 1901. 85 pp., 10 pis. 
B 238. Economic geology of the Iola quadrangle, Kansas, by G. I. Adams, Erasmus Haworth, and 
W. R. Crane. 1904. 83 pp., 11 pis. 
B 243. Cement materials and industry of the United States, by E. C Eckel. 1905. 395 pp., 15 pis. 
B 246. Zinc and lead deposits of northwestern Illinois, by EL Foster Bain. 1904. 5C pp., 5 pis. 
B 247. The Fairhaven gold placers of Seward Peninsula, Alaska, by F. II. Moffit. 1905. 85 pp., 14 pis. 
B 249. Limestones of southeastern Pennsylvania, by F. G. Clapp. 1905. 52 pp., 7 pis. 
B 250. The petroleum fields of the Pacific coast of Alaska, with an account of the Bering River coal 
deposits, by G. C. Martin. 1905. 65 pp., 7 pis. 
B 251. The gold placers of the Eortymile, Birch Creek, and Fairbanks regions, Alaska, by L. M. 
Prindle. 1905. 89 pp., 16 pis. 
WS 117. The lignite of North Dakota and its relation to irrigation, by F. A. Wilder. 1905. 59 pp., 8 pis. 
PP36. The lead, zinc, and fluorspar deposits of western Kentucky, by E. O. Ulrich and W. S. T. 
Smith. 1905. 218 pp., 15 pis. 
PP38. Economic geology of the Bingham mining district, Utah, by J M. Boutwell, with a chapter 
on areal geology, by Arthur Keith, and an introduction on general geology, by S. F. Emmons. 
1905. 413 pp., 49 pis. 
PP 41. Geology of the central Copper River region, Alaska, by W. C. Mendenhall. 1905. 133 pp., 20 pis. 
B 254. Report of progress in the geological resurvey of the Cripple Creek district, Colorado, by Walde- 
inar Lindgren and F. L. Ransome. 1904. 36 pp. 
B255. The fluorspar deposits of southern Illinois, by II. Foster Bain. 1905. 75 pp., 6 pis. 
