166 BIBLIOGRAPHY OP NORTH AMERICAN GEOLOGY, 1906-1907. 
Schneider, Philip F. — Continued. 
2140. A preliminary report on the Arkansas diamond field. — Arkansas, Bureau 
of Mines, Manufactures, and Agriculture, 16 pp., 1 pi., 1907. 
Includes an account of the local geology and the character of the rock in which the 
diamonds occur in Pike County, Arkansas. 
Scholl, George P., and Herrick, R. L. 
2141. The Gold Prince mine and mill [at Animas Forks, Colorado]. — Mines 
and Minerals, vol. 27, no. 8, pp. 337-345, 14 figs., March, 1907. 
Includes notes on the occurrence of the gold ores. 
Schrader, Frank Charles. 
2142. The Durango-Gallup coal field of Colorado and New Mexico. — IT. S. 
Geol. Survey, Bull. no. 285, pp. 241-258, 1906. 
Describes the geology of the field, the occurrence and character of the coal beds, and 
the composition and character of the coals. 
2143. Copper deposits of the Zuhi Mountains, New Mexico. — Abstract: 
Science, new ser., vol. 23, p. 916, June 15, 1906. 
Schrader, Frank C, and Haworth, Erasmus. 
2144. Economic geology of the Independence quadrangle, Kansas. — U. S. Geol. 
Survey, Bull. no. 296, 74 pp., 6 pis., 3 figs., 1906. 
Describes the stratigraphy and geologic structure, and the occurrence, character, and 
utilization of petroleum, natural gas, coal, and other mineral resources. 
Schuchert, Charles. 
2145. Memoir of Charles Emerson Beecher. — Geol. Soc. America, Bull., vol. 
16, pp. 541-548, 1 pi. (port), 1906. 
Includes a list of his writings. 
2146. A new American pentremite. — U. S. Nat. Mus., Proc, vol. 30, pp. 759- 
760, 3 figs., 1906. 
2147. The Russian Carboniferous and Permian compared with those of India 
and America. A review and discussion.— Am. Jour. ScL, 4th ser., vol. 22, pp. 
29-46, July, pp. 143-158, August, 1906. 
2148. The Tenth International Geological Congress at Mexico City. — Am. 
Jour. Sci., 4th ser., vol. 22, pp. 463-465, November, 1906. 
Schultz, Alfred Reginald. 
2149. Some observations on the movements of underground water in confined 
basins.— Jour. Geology, vol. 15, no. 2, pp. 170-181, 2 figs., 1907. 
2150. Gold development in central Uinta County, Wyo., and at other points 
on Snake River.— U. S. Geol. Survey, Bull. no. 315, pp. 71-88, 2 pis., 1907. 
2151. Coal fields in a portion of central Uinta County, Wyo. — U. S. Geol. 
Survey, Bull. no. 316, pp. 212-241, 1 pi., 1907. 
Schwarz, Ernst H. L. 
2152. The thickness of the ice cap in the various glacial periods. — Geol. 
Mag., dec. 5, vol. 3, no. 3, pp. 120-124, March, 1906. 
Includes notes on the thickness of the Greenland ice cap. 
Schwarz, T. E. 
Features of the occurrence of ore at Red Mountain, Ouray County, Colo. — 
Am. Inst. Min. Eng., Trans., vol. 36, pp. 31-39, 3 figs., 1906 (Bi-Mo. Bull. no. 2, 
pp. 267-274, 3 figs., 1905).— See Schwarz, 2, page 300 of Bulletin no. 301, U. S. 
Geol. Survey. 
Scott, I. D. 
Ueber interessante amerikanische Pyritkrystalle. — See Kraus and Scott, no. 
1428. 
