152 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1906-1907. 
Pratt, Joseph Hyde — Continued. 
1948. The cement gold ores of Deadwood, Black Hills, South Dakota. — 
Elisha Mitchell Sci. Soc, Jour., vol. 22, no. 1, pp. 23-27, 1906. 
Describes the distribution and thickness of the auriferous cement-conglomerate and 
the localization of the gold values. 
1949. The building and ornamental stones of North Carolina, a review. — 
Elisha Mitchell Sci. Soc, vol. 22, no. 3, pp. 03-79, 5 figs., 1906. 
1950. The mining industry in North Carolina during 1905. — North Carolina 
Geol. and Econ. Survey, Econ. Paper no. 11, 96 pp., 1907. 
1951. The mining industry in North Carolina during 1906. — North Carolina 
Geol. and Econ. Survey, Econ. Paper no. 14, 144 pp., 20 pis., 5 figs., 1907. 
Includes notes on the occurrence and geologic relations of various mineral deposits. 
The production in the United States in 1905 of steel-hardenmg metals, of 
abrasive materials, of monazite and zircon, and of talc and soapstone. — See no. 
2418. 
Preiswerk, H. 
1952. Diopsid aus dem Eozoon-Kalk von Cote St. Pierre, Canada. — Zeitschr. 
f. Kryst. u. Mineral., Bd. 40, Heft 5, pp. 498-500, 1 fig.. 1905. 
Describes the crystallographic features and composition of diopside from Quebec. 
Preston, H. L. 
1953. A new method of etching iron meteorites, with special adaptation 
for photographic or plate purposes. — Rochester Acad. Sci., Proc, vol. 3, pp. 
264-267, 1906. 
Price, George McCready. 
1954. Illogical geology, the weakest point in the evolution theory. Los 
Angeles, Cal., 1906. 93 pp. 
Prindle, Louis M. 
1955. Yukon placer fields [Alaska].— U. S. Geol. Survey, Bull. no. 284, 
pp. 109-127, 1 pi., 2 figs., 1906. 
Describes the placer deposits and the mining developments. Includes notes on the 
geology of the region, and the occurrence of coal. 
1956. The Yukon-Tanana region, Alaska. Description of Circle quadrangle. — 
U. S. Geol. Survey, Bull. no. 295, pp. 7-27, 1 pi. (map), 3 figs., 1906. 
Describes the geography, the general geology, and the distribution and character of 
the gold placers. 
1957. The Bonnifield and Kantishna regions [Alaska]. — U. S. Geol. Survey, 
Bull. no. 314, pp. 205-220, 1 pi., 1907. 
Describes the geography and general geology of the region, and the distribution of 
gold-bearing placers, and coal deposits. 
Prindle, Louis M., and Hess, Frank L. 
1958. The Rampart gold placer region, Alaska. — U. S. Geol. Survey, Bull, 
no. 280, 54 pp., 7 pis., 1 fig., 1906. 
Describes the geography, surface relief, and drainage, the character and occurrence 
of sedimentary formations of Devonian, Carboniferous, Cretaceous, and Tertiary age, 
and of igneous rocks, and the gold placers of the region. 
Pritchett, Annie H. 
1959. Fossil Cephalopoda, described by Hyatt and Cragin, in the museum of 
the University of Texas.— Biol. Bull. vol. 8, no. 6, pp. 365-366, May, 1905. 
Gives a list of the species with references to the report in which the description was 
published. 
