68 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1906-1907. 
Edman, J. A. 
772. The auriferous black sands of California. — California State Min. Bur., 
Bull. no. 45, pp. 5-10, 1907. 
Edson, G. E. 
773. Historical sketch of the Cambrian age as related to Vermont geology. — 
Vermont Geol. Survey, Fifth Kept. State Geol., pp. 117-1 32, 1906. 
Gives an historical outline of geologic work upon the Cambrian deposits of Vermont. 
774. The geology of St. Albans and vicinity. — Vermont Geol. Survey, Fifth 
Kept. State Geol., pp. 133-155, 1 fig., 1906. 
Describes the occurrence, character, relations, and fossil contents, with lists of fossils. 
of Cambrian and Ordovician strata in the vicinity of St. Albans, Vt. 
Edwards, George E. 
775. The lead and zinc fields of southwestern Wisconsin. — Min. World, vol. 
27, pp. 279-280, August 17, 1907. 
Edwards, W. H. 
776. Notes on the production and uses of Canadian chrome. — Canadian Min. 
Inst, Jour., vol. 9, pp. 35-38, 1906. 
Edwords, Clarence E. 
777. California's new coal fields. — Min. World, vol. 24, no. 7, p. 245, Feb- 
ruary 17, 1906. 
Eldridge, George Homans. 
778. The formation of asphalt veins. — Econ. Geology, vol. 1, no. 5, pp. 437- 
444, 1906, 
Describes the distribution of asphalt veins, the nature and origin of the fissures, the 
dimensions of the veins and their relation to inclosing rocks, and discusses their origin. 
Eldridge, George Homans, and Arnold, Ralph. 
779. The Santa Clara Valley, Puente Hills, and Los Angeles oil districts, 
southern California. — IT. S. Geol. Survey, Bull. no. 309, 266 pp., 41 pis., 37 tigs., 
1907. 
Ellis, E. E. 
780. Occurrence of water in crystalline rocks. — U. S. Geol. Survey. W.-S. 
and Irrig. Paper no. 160, pp. 19-28, 1 fig., 1906. 
Ells, R. W. 
781. [Report on I Graham Island (of the Queen Charlotte group, B. C). — 
Canada, Geol. Survey, Summ. Rept. for 1905, pp. 53-55, 1906; British Colum- 
bia, Ann. Rept. Minister of Mines, for 1906, pp. 74-93, 1 map, 1907. 
Gives an account of the examination of the coal deposits in this island. 
782. Southern New Brunswick. — Canada, Geol. Survey, Summ. Rept. for 
1906, pp. 131-139, 1906. 
Discusses the stratigraphy of the region and the occurrence of economic minerals. 
783. Report on Graham Island, B. C. — Canada, Geol. Survey, Ann. Rept., 
vol. 16, pt. B, 45 pp., 2 maps, 1906. 
Describes the physical features, the general geology, the character and occurrence of 
post-Tertiary, Tertiary, and Cretaceous sedimentary and pre-Cretaceous and Tertiary 
igneous rocks, and the occurrence, character, arid mining of Cretaceous coals. 
784. Some interesting problems in New Brunswick geology. — Canada, Roy. 
Soc, Proc. and Trans., 2d ser., vol. 11, sect. 4, pp. 21-35, 1906. 
Discusses the occurrence and inter-relations of stratified and volcanic rocks, and the 
stratigraphic position, age, and relations of various metamorphosed rocks of New Bruns- 
wick. 
